{"product_id":"color-change-er-lithium-niobate-laser-crystal-with-green-fluorescence","title":"Color Change Er Lithium Niobate Laser Crystal with Green Fluorescence","description":"\u003cp\u003eThese are faceted erbium-doped lithium niobate with a pink base color and strong green fluorescence.\u003c\/p\u003e\n\u003cp\u003eThis is a really cool crystal.  Lithium niobate its known for its incredible brilliance and fire, and when paired with a pink base color it makes a stunning gem.  These weren't grown for that reason though--Er:LN is an emerging laser crystal, with thin wafers used for on-chip lasers.  One of our partners told us they were going to start growing this material a little over a year ago, and a few months later they had their first defective crystal for us to buy.  In addition to the pink color it also has surprisingly strong green fluorescence under UV.\u003c\/p\u003e\n\u003cp\u003eNote that lithium niobate has a relatively low hardness of 5.5 so it should not be used in rings or other high-wear jewelry.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"4mm Round Cut avg. 0.4ct","offer_id":50596230070560,"sku":"LNEr_Rnd_4","price":13.0,"currency_code":"USD","in_stock":false},{"title":"5mm Round Cut avg. 0.7ct","offer_id":50596208738592,"sku":"LNEr_Rnd_5","price":24.0,"currency_code":"USD","in_stock":false},{"title":"6mm Round Cut avg. 1.3ct","offer_id":50596208804128,"sku":"LNEr_Rnd_6","price":45.0,"currency_code":"USD","in_stock":false},{"title":"7mm Round Cut avg. 1.7ct","offer_id":50596208869664,"sku":"LNEr_Rnd_7","price":59.0,"currency_code":"USD","in_stock":false},{"title":"8mm Round Cut avg. 2.7ct","offer_id":50596208935200,"sku":"LNEr_Rnd_8","price":94.0,"currency_code":"USD","in_stock":true},{"title":"9mm Round Cut avg. 4.2ct","offer_id":50596209000736,"sku":"LNEr_Rnd_9","price":147.0,"currency_code":"USD","in_stock":true},{"title":"10mm Round Cut avg. 5.6ct","offer_id":50596209033504,"sku":"LNEr_Rnd_10","price":196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/bicolorerln.jpg?v=1755291342","url":"https:\/\/store.gemsofscience.com\/products\/color-change-er-lithium-niobate-laser-crystal-with-green-fluorescence","provider":"Gems Of Science","version":"1.0","type":"link"}