Apatite from Pea Ridge Mine, Sullivan, Missouri. 45x30x35mm crystal with a good termination. Displays well. Classic locality.
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|Dimensions||4.5 × 3 × 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 95x85x40mm. From Ed Coleman Collection.