You are purchasing the exact item described and pictured. As a natural product, irregularities in form and condition may occur, which should not be considered as defects. Therefore, we strongly recommend carefully reviewing the provided images!
Name:
Crystal system:
Chemical composition:
calcium, oxygen, sulfur, hydrogen
Location:
Thomas Müntzer Schacht, Sangerhausen / Germany
Size of the mineral:
Length: 14,4 cm
Width: 9,2 cm
Height: 5,1 cm
Weight:
In the tunnels of the copper slate mines in Saxony-Anhalt, some of which were repeatedly flooded during operation, beautiful gypsum crystals, beautifully colored by various minerals, often formed.
