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:
blue stone, blue vitriol, copper vitriol
Crystal system:
Chemical composition:
copper, oxygen, sulfur, hydrogen
Location:
Synthetic / Czech Republic
Size of the mineral:
Length: 10 cm
Width: 7 cm
Height: 7,5 cm
Weight:
Copper sulphate (copper vitriol) also occurs naturally, mostly in old, closed underground copper mines in arid climate zones. However, such perfect and large crystals can only be produced synthetically.
