Jeremejevite

Al6(BO3)5(F,OH)3

This sample of jeremejevite is displayed in the Smithsonian Museum of Natural History. Jeremejevite is a oxide mineral of aluminum with fluorine and boron (a borate). Its composition is Al6(BO3)5(F,OH)3. The sample at left is about 8 cm long and the gem is 3 carats. It is from Swakopmund, Namibia.

Mindat: Jeremejevite

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