Photo category:
Rocks and Minerals specimen collection

  • Photo taken Locality: Greece, Macedonia
  • Photo taken by:
    Trichas, A.
  • Photo taken date:
    October 2011

Photo of a sample of Calcite, bought in Halkidiki, Greece in 2000. It is colorless or white to white-yellow. The crystals are prismatic or rhombic and the luster is vitreous to dull. It is the main component of limestone and marbles as well as of stalactites/ stalagmites in caves. It has hardness of 3.