{"id":231722,"date":"2024-09-27T09:30:01","date_gmt":"2024-09-27T07:30:01","guid":{"rendered":"https:\/\/stapelvanstenen.nl\/live-session-10-gemstones\/"},"modified":"2025-09-07T18:04:37","modified_gmt":"2025-09-07T16:04:37","slug":"live-session-10-gemstones","status":"publish","type":"post","link":"https:\/\/stapelvanstenen.nl\/en\/live-session-10-gemstones\/","title":{"rendered":"Live session #10 Gemstones"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"live-sessie #10: Edelstenen (robijn, saffier, smaragd, aquamarijn, toermalijn, enz.)\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/c_VvdtxyD-8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n<p>Recorded live session in which I discuss some well-known gemstones. When is a mineral actually a gemstone? In this session I show examples of mostly rough crystals of corundum (ruby and sapphire), beryl (emerald, aquamarine  <\/p>\n\n<p>, morganite) and the tourmaline group (including schorl, dravite, elbaite, rubellite, etc.).<\/p>\n\n<p>In <a href=\"https:\/\/stapelvanstenen.nl\/en\/live-session-27-tourmaline\/\" data-type=\"post\" data-id=\"563\">live session #27<\/a>, I will elaborate on the minerals from the tourmaline group.<\/p>\n\n<p>Gemologist Henk Rijneveld FGA joined me in a conversation for my podcast on &#8220;when do we speak of a gemstone?&#8221;, you can find that episode <a href=\"https:\/\/stapelvanstenen.nl\/en\/podcast-009-when-do-we-call-something-a-gemstone-in-conversation-with-henk-rijneveld-fga\/\" data-type=\"post\" data-id=\"235889\">here<\/a>. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recorded live session in which I discuss some well-known gemstones. When is a mineral actually a gemstone? In this session I show examples of mostly&hellip;<\/p>\n","protected":false},"author":4,"featured_media":230874,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[709],"tags":[1597,1599,1484,1600,1461,1598,1596,1460],"class_list":["post-231722","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-video-en","tag-elbaite","tag-emerald","tag-gemstones","tag-morganite","tag-rubellite","tag-ruby","tag-sapphire","tag-schorl-en",""],"jetpack_featured_media_url":"https:\/\/stapelvanstenen.nl\/wp-content\/uploads\/2023\/02\/Edelstenen-sessie-10.jpg","_links":{"self":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/posts\/231722","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/comments?post=231722"}],"version-history":[{"count":2,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/posts\/231722\/revisions"}],"predecessor-version":[{"id":240402,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/posts\/231722\/revisions\/240402"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/media\/230874"}],"wp:attachment":[{"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/media?parent=231722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/categories?post=231722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stapelvanstenen.nl\/en\/wp-json\/wp\/v2\/tags?post=231722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}