Mercedes Calcite (Chalcopyrite on Calcite) - Specimen power and a surface polish that

and a surface polish that makes the resin-like structure easy to appreciate

Moldavite is not a true crystal but an amorphous natural glass

Chemical Composition: SrSO4

This drive shaft comes with the pulley

Approximate weight of 1 piece: 66g

Mercedes Calcite (Chalcopyrite on Calcite) - Specimen power and a surface polish thatMined from: Daye Mine, Huangshi, Hubei Province, China Description: This one of a kind Mercedes Calcite with Chalcopyrite mineral specimen from Hubei, China features large, semi translucent calcite crystals arranged in a bold, architectural cluster. The calcite shows pale honey, champagne, and smoky cream tones, with broad geometric faces, stepped growth patterns, and distinct dark metallic bands that create the Mercedes or Benz style linework. Rich