Lead and zinc mining - first mentioned around 500 BC - also repeatedly yielded interesting CALCITE STUFFS with crystals of different shapes.
Barrel-shaped CALCITE CRISTALS are referred to as CANON SPAT.
This very beautiful specimen comes from the Rudolf pit of the extensive BLEIBERG/KREUTHER mining operation.
Naturally undamaged end faces.
Weight: 130 g Dimensions: 6.5 x 4 x 4 cm