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:
Calcit → calcium carbonate, chalix
Chalkopyrit → yellow copper
Ankerit → bitter-spar, brown-spar
Crystal system:
Calcite → trigonal
Chalcopyrite → tetragonal
Ankerite → trigonal
Chemical composition:
Calcite → calcium, carbon, oxygen
Chalcopyrite → iron, copper, sulfur
Ankerite → calcium, iron, carbon, magnesium, manganese, oxygen
Location:
Sweetwater Mine, Reynolds. Co., Missouri / USA
Size of the mineral:
Length: 5,9 cm
Width: 5,7 cm
Height: 3,9 cm
Weight:
- old collection -
