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:
Bergkristall → mountain crystal
Orthoklas → k-feldspar, orthoclase feldspar
Variety:
Bergkristall → Quarz Var.
Orthoklas → Feldspat Var.
Crystal system:
Rock Crystal → trigonal
Orthoclase → monoclinic
Chemical composition:
Rock Crystal → oxygen, silicon
Orthoclase → aluminum, potassium, oxygen, silicon
Location:
Bischofsgrün, Vogtland, Bavaria / Germany
Size of the mineral:
Length: 5 cm
Width: 4,8 cm
Height: 3,4 cm
Weight:
- old collection -
