{"id":145,"date":"2026-04-10T14:11:34","date_gmt":"2026-04-10T12:11:34","guid":{"rendered":"https:\/\/diamandmuseum-wordpress.caprover2.kavango.nl\/?page_id=145"},"modified":"2026-06-21T16:09:51","modified_gmt":"2026-06-21T14:09:51","slug":"the-mineral-diamond","status":"publish","type":"page","link":"https:\/\/diamondmuseum.com\/nl\/the-mineral-diamond\/","title":{"rendered":"De Mineraal Diamant"},"content":{"rendered":"\n<div class=\"wp-block-group has-base-color has-accent-3-background-color has-text-color has-background has-link-color wp-elements-0275c1fe8ab1f5429d1398e13a232ee7 is-layout-flow wp-block-group-is-layout-flow\" style=\"min-height:5vh;padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-d9c913d5 wp-block-columns-is-layout-flex\" style=\"padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:30%\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-fa08612f wp-block-group-is-layout-constrained\" style=\"padding-right:0;padding-left:0\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-ddf96df5 wp-block-group-is-layout-flex\"><nav style=\"font-size:12px;font-style:normal;font-weight:200\" class=\"is-responsive items-justified-left wp-block-navigation is-content-justification-left is-layout-flex wp-container-core-navigation-is-layout-49b994a3 wp-block-navigation-is-layout-flex\" aria-label=\"Navigation\" \n\t\t data-wp-interactive=\"core\/navigation\" data-wp-context='{\"overlayOpenedBy\":{\"click\":false,\"hover\":false,\"focus\":false},\"type\":\"overlay\",\"roleAttribute\":\"\",\"ariaLabel\":\"Menu\"}'><button aria-haspopup=\"dialog\" aria-label=\"Menu openen\" class=\"wp-block-navigation__responsive-container-open always-shown\" \n\t\t\t\tdata-wp-on--click=\"actions.openMenuOnClick\"\n\t\t\t\tdata-wp-on--keydown=\"actions.handleMenuKeydown\"\n\t\t\t><svg width=\"24\" height=\"24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\"><path d=\"M5 5v1.5h14V5H5z\"><\/path><path d=\"M5 12.8h14v-1.5H5v1.5z\"><\/path><path d=\"M5 19h14v-1.5H5V19z\"><\/path><\/svg><\/button>\n\t\t\t\t<div class=\"wp-block-navigation__responsive-container hidden-by-default disable-default-overlay\"  id=\"modal-1\" \n\t\t\t\tdata-wp-class--has-modal-open=\"state.isMenuOpen\"\n\t\t\t\tdata-wp-class--is-menu-open=\"state.isMenuOpen\"\n\t\t\t\tdata-wp-watch=\"callbacks.initMenu\"\n\t\t\t\tdata-wp-on--keydown=\"actions.handleMenuKeydown\"\n\t\t\t\tdata-wp-on--focusout=\"actions.handleMenuFocusout\"\n\t\t\t\ttabindex=\"-1\"\n\t\t\t>\n\t\t\t\t\t<div class=\"wp-block-navigation__responsive-close\" tabindex=\"-1\">\n\t\t\t\t\t\t<div class=\"wp-block-navigation__responsive-dialog\" \n\t\t\t\tdata-wp-bind--aria-modal=\"state.ariaModal\"\n\t\t\t\tdata-wp-bind--aria-label=\"state.ariaLabel\"\n\t\t\t\tdata-wp-bind--role=\"state.roleAttribute\"\n\t\t\t>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<div class=\"wp-block-navigation__responsive-container-content\" \n\t\t\t\tdata-wp-watch=\"callbacks.focusFirstElement\"\n\t\t\t id=\"modal-1-content\">\n\t\t\t\t\t\t\t\t<ul style=\"font-size:12px;font-style:normal;font-weight:200\" class=\"wp-block-navigation__container is-responsive items-justified-left wp-block-navigation\"><li style=\"font-size: 12px\" class=\"wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"\/contact\"><span class=\"wp-block-navigation-item__label\">Contact &amp; Visit<\/span><\/a><\/li><li style=\"font-size: 12px\" class=\"wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/diamondmuseum.com\/nl\/tickets\/\"><span class=\"wp-block-navigation-item__label\">Tickets<\/span><\/a><\/li><li style=\"font-size: 12px\" class=\"wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/diamondmuseum.com\/nl\/history\/\"><span class=\"wp-block-navigation-item__label\">History<\/span><\/a><\/li><li style=\"font-size: 12px\" class=\"wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/diamondmuseum.com\/nl\/about-us\/\"><span class=\"wp-block-navigation-item__label\">About us<\/span><\/a><\/li><\/ul>\n\t\t\t\t\t\t\t\t<div class=\"wp-block-navigation__overlay-container\">\n<div class=\"wp-block-group has-base-color has-accent-3-background-color has-text-color has-background has-link-color is-layout-flow wp-block-group-is-layout-flow\" style=\"min-height:90vh;padding-top:var(--wp--preset--spacing--40);padding-right:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40);padding-left:var(--wp--preset--spacing--40)\">\n<div class=\"wp-block-group alignwide is-content-justification-right is-nowrap is-layout-flex wp-container-core-group-is-layout-6b33944b wp-block-group-is-layout-flex\"><button data-wp-on--click=\"actions.closeMenuOnClick\" class=\"wp-block-navigation-overlay-close\" type=\"button\" aria-label=\"Sluiten\" ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M13 11.8l6.1-6.3-1.1-1-6.1 6.2-6.1-6.2-1.1 1 6.1 6.3-6.5 6.7 1.1 1 6.5-6.6 6.5 6.6 1.1-1z\" \/><\/svg><\/button><\/div>\n\n\n<div class=\"is-vertical wp-block-navigation is-layout-flex wp-container-core-navigation-is-layout-7dd020c4 wp-block-navigation-is-layout-flex\" aria-label=\"Navigation\"><ul class=\"wp-block-navigation__container is-vertical wp-block-navigation\"><li class=\"wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"\/contact\"><span class=\"wp-block-navigation-item__label\">Contact &amp; Visit<\/span><\/a><\/li><li class=\"wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/diamondmuseum.com\/nl\/tickets\/\"><span class=\"wp-block-navigation-item__label\">Tickets<\/span><\/a><\/li><li class=\"wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/diamondmuseum.com\/nl\/history\/\"><span class=\"wp-block-navigation-item__label\">History<\/span><\/a><\/li><li class=\"wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/diamondmuseum.com\/nl\/about-us\/\"><span class=\"wp-block-navigation-item__label\">About us<\/span><\/a><\/li><\/ul><\/div>\n\n<div class=\"trp-block-container\"><div class=\"trp-shortcode-switcher__wrapper\"\r\n     style=\"--bg:#00263f00;--bg-hover:#ffffffb2;--text:#ffffff;--text-hover:#000000;--border:none;--border-width:0px;--border-color:transparent;--border-radius:3px;--flag-radius:2px;--flag-size:18px;--aspect-ratio:4\/3;--font-size:14px;--transition-duration:0.2s\"\r\n     role=\"group\"\r\n     data-open-mode=\"hover\">\r\n\r\n    \r\n        <!-- ANCHOR (in-flow only; 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color: white; font-size: 14px;\">\n  Store <i class=\"fa-regular fa-share-from-square\" style=\"font-size: 12px; margin-left: 2px;\"><\/i>\n<\/a>\n\n\n<div class=\"trp-block-container\"><div class=\"trp-shortcode-switcher__wrapper\"\r\n     style=\"--bg:#00263f00;--bg-hover:#ffffffb2;--text:#ffffff;--text-hover:#000000;--border:none;--border-width:0px;--border-color:transparent;--border-radius:3px;--flag-radius:2px;--flag-size:18px;--aspect-ratio:4\/3;--font-size:14px;--transition-duration:0.2s\"\r\n     role=\"group\"\r\n     data-open-mode=\"hover\">\r\n\r\n    \r\n        <!-- ANCHOR (in-flow only; sizing\/borders; inert) -->\r\n        <div class=\"trp-language-switcher trp-ls-dropdown trp-shortcode-switcher trp-shortcode-anchor trp-open-on-hover\"\r\n             aria-hidden=\"true\"\r\n             inert\r\n             data-no-translation>\r\n                <div class=\"trp-current-language-item__wrapper\">\r\n        <a class=\"trp-language-item trp-language-item__default trp-language-item__current\" data-no-translation href=\"https:\/\/diamondmuseum.com\/nl\/wp-json\/wp\/v2\/pages\/145#TRPLINKPROCESSED\" title=\"\"><img decoding=\"async\" src=\"https:\/\/diamondmuseum.com\/wp-content\/plugins\/translatepress-multilingual\/assets\/flags\/4x3\/nl_NL.svg\" class=\"trp-flag-image\" alt=\"\" role=\"presentation\" loading=\"lazy\" \/><\/a>                    <svg class=\"trp-shortcode-arrow\" width=\"20\" height=\"20\" viewBox=\"0 0 20 21\" fill=\"none\" aria-hidden=\"true\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n                <path d=\"M5 8L10 13L15 8\" stroke=\"var(--text)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\r\n            <\/svg>\r\n            <\/div>\r\n            <\/div>\r\n\r\n        <!-- OVERLAY (positioned; interactive surface) -->\r\n        <div class=\"trp-language-switcher trp-ls-dropdown trp-shortcode-switcher trp-shortcode-overlay trp-open-on-hover\"\r\n             role=\"navigation\"\r\n             aria-label=\"Site taalkiezer\"\r\n             data-no-translation\r\n        >\r\n                <div class=\"trp-current-language-item__wrapper\">\r\n        <div class=\"trp-language-item trp-language-item__default trp-language-item__current\" data-no-translation role=\"button\" aria-expanded=\"false\" tabindex=\"0\" aria-label=\"Taal wijzigen\" aria-controls=\"trp-shortcode-dropdown-6a3babd8365ff\"><img decoding=\"async\" src=\"https:\/\/diamondmuseum.com\/wp-content\/plugins\/translatepress-multilingual\/assets\/flags\/4x3\/nl_NL.svg\" class=\"trp-flag-image\" alt=\"\" role=\"presentation\" loading=\"lazy\" \/><\/div>                    <svg class=\"trp-shortcode-arrow\" width=\"20\" height=\"20\" viewBox=\"0 0 20 21\" fill=\"none\" aria-hidden=\"true\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n                <path d=\"M5 8L10 13L15 8\" stroke=\"var(--text)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\r\n            <\/svg>\r\n            <\/div>\r\n    \r\n            <div class=\"trp-switcher-dropdown-list\"\r\n                 id=\"trp-shortcode-dropdown-6a3babd8365ff\"\r\n                 role=\"group\"\r\n                 aria-label=\"Beschikbare talen\"\r\n                 hidden\r\n                 inert\r\n            >\r\n                                                            <a class=\"trp-language-item\" href=\"https:\/\/diamondmuseum.com\/nl\/wp-json\/wp\/v2\/pages\/145#TRPLINKPROCESSED\" title=\"\">\r\n                            <img decoding=\"async\" src=\"https:\/\/diamondmuseum.com\/wp-content\/plugins\/translatepress-multilingual\/assets\/flags\/4x3\/en_US.svg\" class=\"trp-flag-image\" alt=\"Taal wijzigen naar English\" loading=\"lazy\" \/>                                                                                <\/a>\r\n                                                <\/div>\r\n        <\/div>\r\n\r\n    <\/div>\r\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-border-color has-global-padding is-layout-constrained wp-container-core-group-is-layout-68053202 wp-block-group-is-layout-constrained\" style=\"border-color:#FFFFFF;border-width:1px;border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-left-radius:5px;border-bottom-right-radius:5px;padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<a href=\"https:\/\/fareharbor.com\/embeds\/book\/royalcosterdiamondbv\/?full-items=yes&amp;ref=DMA&amp;flow=1643424\" target=\"_blank\" onclick=\"FH.open({&#039;shortname&#039;:&#039;royalcosterdiamondbv&#039;,&#039;view&#039;:&#039;items&#039;,&#039;fallback&#039;:&#039;simple&#039;,&#039;fullItems&#039;:&#039;yes&#039;,&#039;ref&#039;:&#039;DMA&#039;,&#039;flow&#039;:&#039;1643424&#039;}); return false;\"><p style=\"font-size:small; text-decoration:none;\">Tickets<\/p><\/a>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-cover is-light\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0;min-height:250px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-accent-1-background-color has-background-dim-100 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container has-global-padding is-layout-constrained wp-container-core-cover-is-layout-6e9e3788 wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color wp-elements-08690928fc173bcdc6b5d27089b321ed wp-block-paragraph\" style=\"font-size:clamp(1.502rem, 1.502rem + ((1vw - 0.2rem) * 1.565), 2.5rem);font-style:normal;font-weight:400;letter-spacing:10%;line-height:1.1;text-transform:uppercase\">The Mineral Diamond<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-68053202 wp-block-group-is-layout-constrained\" style=\"padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-group alignwide has-global-padding is-layout-constrained wp-container-core-group-is-layout-fc2dd4d9 wp-block-group-is-layout-constrained\">\n<div style=\"height:10vh\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-accent-1-color has-text-color has-link-color wp-elements-9ef7b9dd72c82330eb213d32a180e406\" style=\"font-size:clamp(1.976rem, 1.976rem + ((1vw - 0.2rem) * 2.391), 3.5rem);font-style:normal;font-weight:500;letter-spacing:2px;line-height:1;text-transform:uppercase\">The hardest natural material on earth<\/h4>\n\n\n\n<div style=\"height:10vh\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-82df9d81 wp-block-group-is-layout-constrained\" style=\"border-style:none;border-width:0px;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-ea3b1dd1 wp-block-group-is-layout-constrained\" style=\"border-style:none;border-width:0px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px;margin-top:0;margin-bottom:0;padding-top:0;padding-right:var(--wp--preset--spacing--50);padding-bottom:0;padding-left:0\">\n<p class=\"has-small-font-size wp-block-paragraph\">Diamonds are a special crystallization form of carbon atoms. Carbon is nature&#8217;s principal building block: plants, animals and mankind too consist of carbon compounds. Diamond crystals came into existence about 3 billion years ago, at a depth of 140 to 200 kilometres inside the earth; they originated from carbon which was exposed to very high pressure (up to 70,000 kg per cm\u00b2) at a very high temperature (up to 2000 degrees Celsius).<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-accent-3-color has-text-color has-link-color wp-elements-e0156b58f462592418540c6836e90178\" style=\"font-size:clamp(1.146rem, 1.146rem + ((1vw - 0.2rem) * 1.026), 1.8rem);font-style:normal;font-weight:500;letter-spacing:10%;line-height:1.1;text-transform:uppercase\">Origin and extraction<\/h4>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color has-small-font-size wp-elements-4dc9eb0cec1d2c721de8e290fc3678bc wp-block-paragraph\" style=\"font-style:normal;font-weight:700\">Rough diamonds are found in three places:<\/p>\n\n\n\n<div class=\"wp-block-group is-content-justification-left is-nowrap is-layout-flex wp-container-core-group-is-layout-6ab1a161 wp-block-group-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<p class=\"has-small-font-size wp-container-content-ef1df569 wp-block-paragraph\" style=\"margin-right:var(--wp--preset--spacing--20);margin-left:0;padding-right:var(--wp--preset--spacing--20);padding-left:0;font-style:normal;font-weight:700\">1. <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">At a depth of 140 to 200 kilometres inside the earth. From there the diamond-bearing rock, called kimberlite, is propelled to the surface of the earth by volcanic eruptions. Most of this diamond-bearing rock adheres to the walls of the volcano pipes.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-455abe6c wp-block-group-is-layout-flex\">\n<p class=\"has-small-font-size wp-container-content-ef1df569 wp-block-paragraph\" style=\"margin-right:var(--wp--preset--spacing--20);margin-left:0;padding-right:var(--wp--preset--spacing--20);padding-left:0;font-style:normal;font-weight:700\">2. <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Diamond-bearing rock that is propelled outside by the volcano is weathered by wind and rain and slowly disintegrates. The smaller fragments, diamonds and all, are washed from the mountain and end up in the immediate surroundings and in the riverbeds.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-04822461 wp-block-group-is-layout-flex\">\n<p class=\"has-small-font-size wp-container-content-eb837010 wp-block-paragraph\" style=\"margin-right:0;margin-left:0;padding-right:var(--wp--preset--spacing--20);padding-left:0;font-style:normal;font-weight:700\">3. <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\" style=\"padding-right:0;padding-left:0\">The river current washes the diamond-bearing rock down to the sea, where it is found in the river mouths and offshore.<\/p>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">It is assumed that the first diamonds were found in India, as early as 800 BC, and India remained the most important supplier of diamonds until the 18th century. Since circa 1650 Borneo has been a supplier to the Dutch diamond industry. Diamonds were discovered in Brazil in 1725, in Russia in 1829, in Australia in 1851, in South Africa in 1866 and in East Siberia in 1948. Today, diamonds are found in more than 20 countries \u2014 only Europe and Antarctica produce none. Of the total world production, around 5% is used for jewellery; the rest goes to industrial applications. Jewellery diamonds are cut in only a limited number of locations.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-accent-3-color has-text-color has-link-color has-small-font-size wp-elements-b594fdddc11d26aa7bdfafdad99a9f2c\" style=\"font-style:normal;font-weight:700\">Diamonds and industry<\/h4>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">About 5% of the total world production of diamonds is processed into jewellery diamonds: the rest is used for industrial purposes. Since the industrial revolution in the 19th century, diamonds \u2014 on account of their hardness \u2014 have had many applications: polishing discs, drills, chisels, but also in electronic appliances for drawing extremely thin and precise conducting wire, or in very precise medical instruments. In some industrial applications, diamonds are used up and have to be replaced regularly. So there is an ongoing demand. Since the fifties of the last century, it has been possible to produce artificial diamonds. Nowadays 95 to 99% of diamonds used in industry are synthetic.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-accent-3-color has-text-color has-link-color has-small-font-size wp-elements-d646fa89c1368902bc60d2200b07aa9a\" style=\"font-style:normal;font-weight:700\">Hardness: the Mohs scale<\/h4>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\" style=\"padding-bottom:var(--wp--preset--spacing--20)\">In 1822 the Austrian mineralogist Friedrich Mohs compiled a hardness scale for minerals, in ten stages running from soft (talcum) to extremely hard (diamond).<\/p>\n\n\n\n<div class=\"wp-block-group has-small-font-size is-vertical is-layout-flex wp-container-core-group-is-layout-19afc361 wp-block-group-is-layout-flex\">\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-a27806e6d45947c32d3b8fb991ae5b6c wp-block-paragraph\" style=\"padding-right:0;padding-left:var(--wp--preset--spacing--20);font-style:normal;font-weight:700;letter-spacing:0.5px;line-height:2\">1. Talcum<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-ab4b66ee7ab78256f1c3341077158eb8 wp-block-paragraph\" style=\"padding-right:0;padding-left:var(--wp--preset--spacing--20);font-style:normal;font-weight:700;letter-spacing:0.5px;line-height:2\">2. Gypsum<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-8b3b578471e55374b80a52822d5499df wp-block-paragraph\" style=\"padding-right:0;padding-left:var(--wp--preset--spacing--20);font-style:normal;font-weight:700;letter-spacing:0.5px;line-height:2\">3. Calcite<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-d60b899eeeb579f5273cc7b87749c4a8 wp-block-paragraph\" style=\"padding-right:0;padding-left:var(--wp--preset--spacing--20);font-style:normal;font-weight:700;letter-spacing:0.5px;line-height:2\">4. Fluorite<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-ed9d63f2a3e2a3c4a790418fdad7835e wp-block-paragraph\" style=\"padding-right:0;padding-left:var(--wp--preset--spacing--20);font-style:normal;font-weight:700;letter-spacing:0.5px;line-height:2\">5. Apatite<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-e8cc4cd437677eb04eaf2c440e1b591b wp-block-paragraph\" style=\"padding-right:0;padding-left:var(--wp--preset--spacing--20);font-style:normal;font-weight:700;letter-spacing:0.5px;line-height:2\">6. Feldspar<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-63531b448347594dc9abffe9ffcbc2a1 wp-block-paragraph\" style=\"padding-right:0;padding-left:var(--wp--preset--spacing--20);font-style:normal;font-weight:700;letter-spacing:0.5px;line-height:2\">7. Quartz<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-44bd0e8c80bc79dcdd034b5437358ddb wp-block-paragraph\" style=\"padding-right:0;padding-left:var(--wp--preset--spacing--20);font-style:normal;font-weight:700;letter-spacing:0.5px;line-height:2\">8. Topaz<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-2331ead23018e1ec90b0c10ed1abe497 wp-block-paragraph\" style=\"padding-right:0;padding-left:var(--wp--preset--spacing--20);font-style:normal;font-weight:700;letter-spacing:0.5px;line-height:2\">9. Corundum<\/p>\n\n\n\n<p class=\"has-accent-3-color has-text-color has-link-color wp-elements-040630a2aa1898ac3a58c7d1512a2b38 wp-block-paragraph\" style=\"padding-right:0;padding-left:var(--wp--preset--spacing--20);font-style:normal;font-weight:700;letter-spacing:0.5px;line-height:2\">10. Diamond<\/p>\n<\/div>\n\n\n\n<div style=\"height:10vh\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-accent-3-color has-text-color has-link-color wp-elements-7abec25140666a1a7b4a46cba06e8d4b\" style=\"font-size:clamp(1.146rem, 1.146rem + ((1vw - 0.2rem) * 1.026), 1.8rem);font-style:normal;font-weight:500;letter-spacing:10%;line-height:1.1;text-transform:uppercase\">Objects in this gallery<\/h4>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-19afc361 wp-block-group-is-layout-flex\">\n<p class=\"has-accent-3-color has-text-color has-link-color has-small-font-size wp-elements-77e9a5d8172d9c9951dc4fa7dc410a52 wp-block-paragraph\" style=\"padding-bottom:5px;padding-left:0;font-style:normal;font-weight:700\">\u2022 <strong>Coal \/ Carbon<\/strong>\u00a0 <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Coal, like diamond, is made of carbon. (Collection: Brus.)<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-19afc361 wp-block-group-is-layout-flex\">\n<p class=\"has-accent-3-color has-text-color has-link-color has-small-font-size wp-elements-612634c1e6a914ac8a6146c28a884497 wp-block-paragraph\" style=\"padding-bottom:5px;padding-left:0;font-style:normal;font-weight:700\">\u2022 <strong>Model of the diamond molecule<\/strong>\u00a0 <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">The diamond molecule is made up of 18 carbon atoms in an elementary cubic grid. Each carbon atom is tetragonally surrounded by 4 other carbon atoms. The distance between them is relatively small and the bonds are very strong. That explains the extreme hardness of the diamond.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-19afc361 wp-block-group-is-layout-flex\">\n<p class=\"has-accent-3-color has-text-color has-link-color has-small-font-size wp-elements-756407ff108078cc1f3664e74474caaf wp-block-paragraph\" style=\"padding-bottom:5px;padding-left:0;font-style:normal;font-weight:700\">\u2022 <strong>Model of the graphite molecule<\/strong>\u00a0 <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Graphite, like diamond, is composed of carbon atoms and is highly regular in structure \u2014 yet graphite is soft and diamond is extremely hard. The difference lies in the way the atoms are bonded together.<\/p>\n<\/div>\n\n\n\n<div style=\"height:5vh\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"675\" src=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/8013-1024x675.jpg\" alt=\"\" class=\"wp-image-1301\" style=\"aspect-ratio:3\/4;object-fit:cover;object-position:76% 27%\" srcset=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/8013-1024x675.jpg 1024w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/8013-300x198.jpg 300w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/8013-768x506.jpg 768w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/8013-18x12.jpg 18w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/8013.jpg 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:5vh\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-a2cbc347 wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-4b2c1558 wp-block-columns-is-layout-flex\" style=\"padding-right:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-container-core-column-is-layout-690d6d15 wp-block-column-is-layout-flow\" style=\"border-right-color:var(--wp--preset--color--contrast);border-right-width:2px;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<figure class=\"wp-block-image alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"986\" src=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-3A.png\" alt=\"\" class=\"wp-image-1304\" style=\"width:auto;height:350px\" srcset=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-3A.png 1000w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-3A-300x296.png 300w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-3A-768x757.png 768w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-3A-12x12.png 12w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<div style=\"height:5rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-content-justification-right is-layout-constrained wp-container-core-group-is-layout-709954ba wp-block-group-is-layout-constrained\" style=\"min-height:350px;padding-right:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)\">\n<h4 class=\"wp-block-heading has-text-align-right has-large-font-size\" style=\"font-style:normal;font-weight:700;letter-spacing:1px\">The hardness<\/h4>\n\n\n\n<p class=\"has-text-align-right has-medium-font-size wp-block-paragraph\">In 1822 the Austrian mineralogist Friedrich Mohs compiled a hardness scale for minerals. In 10 stages, running from soft to very hard. At the bottom is talc (1) at the top, diamond (10).<\/p>\n<\/div>\n\n\n\n<div style=\"height:5rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"859\" src=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-1-2.png\" alt=\"\" class=\"wp-image-1312\" style=\"width:auto;height:350px\" srcset=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-1-2.png 1000w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-1-2-300x258.png 300w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-1-2-768x660.png 768w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-1-2-14x12.png 14w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<div style=\"height:5rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-content-justification-right is-layout-constrained wp-container-core-group-is-layout-709954ba wp-block-group-is-layout-constrained\" style=\"min-height:350px;padding-right:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)\">\n<h4 class=\"wp-block-heading has-text-align-right has-large-font-size\" style=\"font-style:normal;font-weight:700;letter-spacing:1px\">Diamond and industry<\/h4>\n\n\n\n<p class=\"has-text-align-right has-medium-font-size wp-block-paragraph\">About 5% of the total world production of diamonds is processed into jewellery diamonds: the rest is used for industrial purposes. Since the industrial revolution in the 19th century, diamonds, on account of their hardness, have had many applications: polishing discs, drills, chisels, but also in electronic appliances for drawing extremely thin and precise conducting wire, or in very precise medical instruments. In some industrial applications for diamonds, they are used up, and have to be replaced with new ones regularly. So there is an ongoing demand. Since the fifties of last century it has been possible to produce artificial diamonds. Nowadays 95 &#8211; 99% of diamonds used in industry are synthetic.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-container-core-column-is-layout-690d6d15 wp-block-column-is-layout-flow\" style=\"border-right-style:none;border-right-width:0px;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-4680991e wp-block-group-is-layout-constrained\" style=\"min-height:350px;padding-right:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)\">\n<h4 class=\"wp-block-heading has-large-font-size\" style=\"font-style:normal;font-weight:700;letter-spacing:1px\">The crystal form<\/h4>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Like the double four-sided pyramid (octahedron), that is considered one of the most perfect forms to process. Crystalisation appears frequently in nature, for example: ice-crystal, rock-crystal or other gemstones.<\/p>\n<\/div>\n\n\n\n<div style=\"height:5rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"821\" src=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-2.png\" alt=\"\" class=\"wp-image-1305\" style=\"width:auto;height:350px\" srcset=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-2.png 1000w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-2-300x246.png 300w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-2-768x631.png 768w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/mineraal-2-15x12.png 15w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<div style=\"height:5rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-4680991e wp-block-group-is-layout-constrained\" style=\"min-height:350px;padding-right:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)\">\n<h4 class=\"wp-block-heading has-large-font-size\" style=\"font-style:normal;font-weight:700;letter-spacing:1px\">Reflection, refraction and dispersion<\/h4>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">In cut diamonds, light is captured and reflected as in no other precious stone. The effect of reflection and refraction is called brilliance, the play of colours as result of dispersion is called fire. Sparkle or life is mentioned in connection with the light effect that arises when the diamond is moved in light.<\/p>\n<\/div>\n\n\n\n<div style=\"height:5rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"650\" src=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/044_boorkop.jpg\" alt=\"\" class=\"wp-image-1313\" style=\"width:auto;height:350px\" srcset=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/044_boorkop.jpg 1000w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/044_boorkop-300x195.jpg 300w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/044_boorkop-768x499.jpg 768w, https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/06\/044_boorkop-18x12.jpg 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<div style=\"height:2rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:150px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group kma-footer is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-accent-3-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-71f64726 wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"\/\"><img loading=\"lazy\" decoding=\"async\" width=\"205\" height=\"117\" src=\"https:\/\/diamondmuseum.com\/wp-content\/uploads\/2026\/04\/DMA_logo_PMS424C-copy-1.png\" alt=\"\" class=\"wp-image-101\" style=\"width:120px\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-large-font-size wp-elements-53247d2ffd7c558c443c36c3b838f610 wp-block-paragraph\"><strong>Visitor information<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-medium-font-size wp-elements-ced2cb2f1764c1993f55c4d12ec3105b wp-block-paragraph\">Open daily 9 to 17h<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-f0daa8b0c83d299847537aaf9e789100 wp-block-paragraph\">Paulus Potterstraat 6, Amsterdam <\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-9d8f87e8b4e4d9680a888ffd27e5bb9d wp-block-paragraph\">Entrance at Paulus Potterstraat 2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-container-core-column-is-layout-470551b9 wp-block-column-is-layout-flow\" style=\"flex-basis:20%\">\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-large-font-size wp-elements-4040c4fba13fd2e05d7d805c64604d8e wp-block-paragraph\"><strong>Links<\/strong><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-0a0c1622807513e6188f77ed6f684957 wp-block-paragraph\"><a href=\"https:\/\/diamondmuseum.com\/tickets\/\" data-type=\"page\" data-id=\"348\">Tickets<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-57268a57f09252f2da3c42e8ddfbf5ce wp-block-paragraph\"><a href=\"https:\/\/diamondmuseum.com\/about-us\/\">About<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-23a1b592744b0e00ae17eb84fc9984ab wp-block-paragraph\"><a href=\"https:\/\/diamondmuseum.com\/history\/\" data-type=\"page\" data-id=\"219\">History<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-27a3de43f1e21d0fe745f5467f7dfae0 wp-block-paragraph\"><a href=\"https:\/\/www.royalcoster.com\/en\" target=\"_blank\" rel=\"noreferrer noopener\">Store<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-6424fed338cbf927e573a318ba001583 wp-block-paragraph\"><a href=\"https:\/\/diamondmuseum.com\/mission\/\" type=\"page\" id=\"617\">Mission<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-7dbdc38236f45492c609f313e85ee2a4 wp-block-paragraph\"><a href=\"https:\/\/diamondmuseum.com\/faq\/\" type=\"page\" id=\"858\">FAQ<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-8c20d3ce7131d17aeda2a02e9b693eb5 wp-block-paragraph\"><a href=\"https:\/\/diamondmuseum.com\/privacy-policy\/\" type=\"page\" id=\"655\">Privacy Policy<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-2edf57446a883c0764256daa966e760a wp-block-paragraph\"><a href=\"https:\/\/diamondmuseum.com\/anbi-information\/\" type=\"page\" id=\"626\">ANBI information<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-4f67b3cb6ab2cb7607ade3efb407fe2b wp-block-paragraph\"><a href=\"https:\/\/diamondmuseum.com\/trade-and-distribution\/\" type=\"page\" id=\"801\">Trade and Distribution<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-f2d3caf0e62b9f8ec9422112c440a7b4 wp-block-paragraph\"><a href=\"https:\/\/diamondmuseum.com\/contact\/\" data-type=\"page\" data-id=\"288\">Contact<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left has-base-color has-text-color has-link-color has-small-font-size wp-elements-2deadddfcfc2f094b7d47015f9877d65 wp-block-hidden-desktop wp-block-hidden-mobile wp-block-hidden-tablet 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