or Peridot
causing the crystal to absorb and scatter light in a way that produces the characteristic smoky brown to gray color
compact look common to oreodont skull material
especially from phosphate-rich marine deposits
The Navajún mine in La Rioja
Mercedes Calcite (Chalcopyrite on Calcite) - Specimen amethyst stalactite or PeridotMined 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