Chalcopyrite on Quartz

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By Species > Sulphides

Chalcopyrite on Quartz

Mineral Species: Chalcopyrite

Chemical Formula: CuFeS2

Chemical Name: Copper Iron Sulfide

Mineral Class: Sulphide

Mineral Notes: Chalcopyrite is the most widespread copper mineral and is an important ore of the metal. The mineral is the end member of a series with iron that also includes Bornite, Covelite, Chalcocite and ending as native copper.

Description: Several highly cystalline clusters of Chalcopyrite upon a bed of pale-brown Quartz and Calcite. The Chalcopyrite, whilst relatively dark, is highly irridescent. This is particulalry true of a deposit towards the bottom of the specimen, which shows a very strong interplay of blue, green and violet colours.

Location: Cavnic, Romania.

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