Mercedes Calcite (Chalcopyrite on Calcite) - Specimen clarity crystal depending on the amount of

depending on the amount of cobalt present

Description: This one of a kind Spinosaurus tooth fossil specimen has a thick

or color-zoned forms

with patches of green

Mercedes Calcite (Chalcopyrite on Calcite) - Specimen clarity crystal depending on the amount ofMined from: Daye Mine, Huangshi, Hubei Province, China Description: This one of a kind Mercedes Calcite with Chalcopyrite mineral specimen from Hubei, China features a broad, sculptural formation of translucent cream to pale champagne calcite crystals with bold, dark chalcopyrite striping across the crystal faces. The specimen has a flatter, sweeping profile with layered calcite growth, stepped faces, and sharply defined black linear markings that