Cookeite

LiAl4(AlSi3)O10(OH)8

This sample of Cookeite is displayed in the Smithsonian Museum of Natural History. Cookeite is a mineral which contains lithium with the composition LiAl4(AlSi3)O10(OH)8. The sample at left is about 15 cm across and is from Minas Gerais, Brazil.

Mindat: Cookeite

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