Kottigite

Zn3(AsO4)2.8H2O

This sample of kottigite is displayed in the Smithsonian Museum of Natural History. Kottigite is an arsenate of zinc with the composition Zn3(AsO4)2.8H2O. The sample at left is about 4x6 cm and is from Mapimi, Durango, Mexico.

Mindat: Kottigite

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