Jeremejevite
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Physical & Optical Properties
Mohs Hardness
Crystal System
Value & Market
Where to Buy Jeremejevite
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About Jeremejevite
Jeremejevite is an extremely rare aluminum fluoroborate mineral, typically forming colorless to pale blue or yellow orthorhombic crystals with a vitreous luster and hardness of Mohs 6.5–7.5. First discovered at Mount Soktuj in Siberia, Russia, in 1883 and named for Russian mineralogist Pavel Jeremejew, the finest gem-quality blue material comes from the Erongo Mountains of Namibia. Faceted jeremejevite is considered one of the rarest gemstones in the world, with clean blue stones achieving significant collector prices.