The 11.5 × 6 × 3.5 cm matrix with intense lime green pyromorphite crystals. This specimen is from Daoping Mine, Gongcheng, Guangxi China.
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|Dimensions||11.5 × 6 × 3.5 cm|
Copper “Skull” from Centennial Mine, Houghton Co., Michigan. Seldom seen formation which occurs when copper is deposited around cobbles in a conglomerate lode. The cobble deteriorates over time and leaves the copper “skull” formation. Specimen size is 135x110x50mm. From Ed Coleman Collection.