Chalcophyllite
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Chalcophyllite
St. Day, Gwennap, Cornwall
773
Numerous veinlets of chalcophyllite in a massive chalcopyrite/quartz matrix, forming sharp hexagonal platy crystals in the cavities dotted about the specimen. Cornish classic.
Formula Cu18Al2(SO4)3(AsO4)3(OH) 27.33H2O
Status: Sold
Height: 62x45x35mm
Size: Small Cabinet (S)
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