Heliodor from Zelatoya Vada Mine, Rangkul, Tajikistan. Yellow/tan crystal 58mm long x 10mm. Well-terminated and transparent.
|Dimensions||5.8 × 1 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.