Zinc-melanterite

From Wikipedia, the free encyclopedia

Zinc melanterite is a mineral, a sulfate of zinc, copper and iron with formula (ZnCuFe)SO4ยท7H2O. It is a soft monoclinic yellow green mineral with Mohs hardness of 2 and a specific gravity of 2.02.

It was discovered in 1920 in the Vulcan mining district of Gunnison County, Colorado and is named for its zinc content and its resemblance to melanterite

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