Calcite - Herja Mine, Romania - 5.5 x 3.5 x 3.5 cm
Mineral: Calcite
Locality: Herja Mine, Chiuzbaia, Baia Sprie, Maramures, Romania
Dimensions: 5.5 x 3.5 x 3.5 cm

Description: White calcite rhombs to 2.3 cm with small brown siderites on a matrix of black sphalerite and minor pyrite.