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Welcome to the
Chalcophanite Mineral Gallery
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Chalcophanite is known only from Sterling Hill, found in cavities and fissures in a mass of debris made up of waterworn fragments of quartz and other rocks and of more or less decomposed franklinite, willemite, and zincite. Chalcophanite is a by product of this environment produced by iron being removed, then oxidation and hydration over long periods of time.


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