Calcite - September Mine (9th of September Mine) , Bulgaria - 5.1 x 8.0 cm
Mineral: Calcite
Locality: September Mine (9th of September Mine) , Madan mining area, Rhodope Mountains, Smolyan Oblast, Bulgaria
Dimensions: 5.1 x 8.0 cm

Description: Lenticular calcite rhombs covering the top of a crystallized quartz matrix.