Chalcopyrite on Sphalerite
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Mid-Continental Mine, Treece, Pitcher Field, Tri-State District, Kansas, USA
783
Classic combination specimen of two sulphides from the Tri-State mining field in the USA. The specimen consists of bright chalcopyrite crystals to about 3mm richly sprinkled over a large crystalline sphalerite matrix.
Formula: Chalcopyrite CuFeS2 ; Sphalerite : Zns
Status: Sold
Dimensions: 90x60x40mm
Size: Small Cabinet (S)
Minerals of the English Midlands
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