Epidote or Silex Epidotus poster with wooden frame
Epidote is a calcium aluminium iron sorosilicate mineral. The perfectly transparent, dark green crystals from the Knappenwand and from Brazil have occasionally been cut as gemstones.
Epidote or Silex Epidotus poster with wooden frame
Epidote is a calcium aluminium iron sorosilicate mineral. The perfectly transparent, dark green crystals from the Knappenwand and from Brazil have occasionally been cut as gemstones.