@gemsofscience: Some of our bismuth germanate was featured by chemistry youtuber Extractions and Ire (aka Explosions and Fire on his main channel). And to celebrate we have put up some specimens of BGO-20! You can see them at the link in my bio or directly on store.turtleshoard.com Bismuth Germanate (BGO) is a rare and exotic crystal grown for its very weird properties. It has amazing optical festures with a super high RI of 2.25 and insanely high dispersion of 0.22, which make it sparkle and throw rainbows like no other gemstone. It also has an unusual, almost venomous yellow-orange color, giving it a look you can't find in nature. It is also the densest transparent gem material we are aware of with a specific gravity of 9.2 (80% as dense as pure lead!!). #syntheticgems #labcreated #bgo #bismuthgermanate #orange #yellow #dispersion #rainbow #exotic #rare #gems #minerals #gemology #loosestones #loosegems #gemsofscience #labgems

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Sunday 10 March 2024 21:28:31 GMT