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:
Common name:
Dolomit → dolomitic rock, dolostone
Chalkopyrit → yellow copper
Crystal system:
Dolomite → trigonal
Chalcopyrite → tetragonal
Chemical composition:
Dolomite → calcium, carbon, magnesium, oxygen
Chalcopyrite → iron, copper, sulfur
Location:
Shaft 371, Schlema-Alberoda, Erzgebirgskreis, Saxony / Germany
Size of the mineral:
Length: 16,5 cm
Width: 9 cm
Thickness: 2,5 cm
Weight:
Nice document from bismuth mining.
