{"product_id":"eu-fluorite-earrings-in-sterling-silver-bright-blue-fluorescent-faceted-waterdrop-gems","title":"Eu:Fluorite Earrings in Sterling Silver, Bright Blue Fluorescent Faceted Waterdrop Gems","description":"\u003cp\u003eThese are lab grown fluorite gems set in 925 sterling silver.  The design is a half-crystallized droplet, with a smooth tail merging into a faceted head, like a raindrop that froze and was suspended midair.  \u003cbr\u003e\u003cbr\u003eDue to their extremely low RI, fluorite crystals look a lot like droplets of water or ice.  In addition, due to their extremely strong blue fluorescence, these stones shift from being colorless white when indoors to a icy blue outdoors.  It's a very cool color change effect.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e Natural fluorite has an incredible range of colors, not just purple and green but reds, yellows, blues, and more.  On top of that, fluorite can have strong fluorescence - so strong that \u003c\/span\u003e\u003cem style=\"font-size: 0.875rem;\"\u003efluorescence is named after fluorite. \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThis Europium-doped fluorite is grown for science - these crystals are valuable because they are extremely sensitive to many kinds of radiation (not just UV), so can be used as 'scintillators' for detecting the presence of x-rays.  Eu:Fluorite's glow is strong enough to change its color in direct sunlight, shifting from clear and colorless to a refreshing blue.  (So blue, that it can get too bright and overwhelms the digital camera sensors, turning the photo purple!)\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eFluorite has a hardness of 4 (by definition), and is a bit delicate due to multiple directions of perfect cleavage, making it difficult to facet.  You will need to take extra care with these earrings, but I think the results are worth it.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Crystalline Droplet Earring, ~24mm stone","offer_id":52171738808608,"sku":"Ear_CaF2Eu_CrystalDrop","price":597.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/FluoriteDropletEarring.jpg?v=1786391081","url":"https:\/\/store.gemsofscience.com\/products\/eu-fluorite-earrings-in-sterling-silver-bright-blue-fluorescent-faceted-waterdrop-gems","provider":"Gems Of Science","version":"1.0","type":"link"}