Calcite with Flourite from Minerva #1 Mine, Cave-in-Rock District, Hardin Co., Illinois. The overall specimen size is 60x25x25mm. The specimen is accompanied with original Dan Weinrich label.
In stockEmail your friend
|Dimensions||6 × 0.5 × 2.5 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.