{"id":9282,"date":"2025-02-01T15:28:02","date_gmt":"2025-02-01T15:28:02","guid":{"rendered":"https:\/\/www.pmstudios.co.uk\/blog\/?p=9282"},"modified":"2025-02-01T15:28:02","modified_gmt":"2025-02-01T15:28:02","slug":"jet-the-stone-in-uv-fluorescence","status":"publish","type":"post","link":"https:\/\/www.pmstudios.co.uk\/blog\/?p=9282","title":{"rendered":"Jet (the stone) in UV Fluorescence"},"content":{"rendered":"\n

Last year we visited Whitby on the north-east coast of England where we bought a small silver ring with a jet-black stone in it. I wondered what jet would like like in Ultra-Violet Fluorescence and, although it didn’t glow brightly, it did change colour and show some detail.<\/p>\n\n\n\n

This first pair of images, displayed using a comparison slider, shows the ring under room lighting and UV fluorescence:<\/p>\n\n\n\n

<\/p>\n\n\n\n
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A jet ring under normal lighting<\/figcaption><\/figure>\n\n\n\n
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A jet ring under UV fluorescence lighting<\/figcaption><\/figure>\n\n\n\n

<\/div>\n\n\n\n

If you look carefully the jet, which now shows as brown, has faint striations running from upper left to lower right. I thought I would then try blending the two images together to see what, if any difference it made:<\/p>\n\n\n\n

<\/p>\n\n\n\n
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A jet ring blend of the two above images – 1<\/figcaption><\/figure>\n\n\n\n
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A jet ring blend of the two above images – 2<\/figcaption><\/figure>\n\n\n\n

<\/div>\n\n\n\n

This hasn’t made any difference to the visibility of the striations. Nothing ventured, nothing gained!<\/p>\n","protected":false},"excerpt":{"rendered":"

Last year we visited Whitby on the north-east coast of England where we bought a small silver ring with a jet-black stone in it. I wondered what jet would like like in Ultra-Violet Fluorescence and, although it didn’t glow brightly, it did change colour and show some detail. This first pair of images, displayed using … Continue reading “Jet (the stone) in UV Fluorescence”<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,141,129,3,143,128],"tags":[],"class_list":["post-9282","post","type-post","status-publish","format-standard","hentry","category-close-up","category-comparison-slider","category-fluorescence","category-photography","category-rocks-stones","category-ultra-violet"],"_links":{"self":[{"href":"https:\/\/www.pmstudios.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/9282","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pmstudios.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pmstudios.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pmstudios.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pmstudios.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9282"}],"version-history":[{"count":2,"href":"https:\/\/www.pmstudios.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/9282\/revisions"}],"predecessor-version":[{"id":9290,"href":"https:\/\/www.pmstudios.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/9282\/revisions\/9290"}],"wp:attachment":[{"href":"https:\/\/www.pmstudios.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pmstudios.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pmstudios.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}