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Chalcocite, Quartz


Chalcocite : Cu2S, Quartz : SiO2

Photo Copyright © Rob Lavinsky & irocks.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Cornwall, England, UK
A CLASSIC, old-time Cornwall specimen with sharp, matte-finish, black chalcocite crystals to 1.0 cm richly covering the contrasting quartz matrix. The one dinged chalcocite crystal is certainly not detracting from this fine old-timer. Ex Frank Edwards Collection. 3.7 x 2.8 x 1.7 cm

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