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:
Topaz & Zinnwaldite & Quartz (Pyknite)
Variety:
Crystal system:
Topaz → orthorhombic
Zinnwaldite → monoclinic
Chemical composition:
Topaz → Aluminum, Fluorine, Oxygen, Silicon, Hydrogen
Zinnwaldite → Aluminum, Iron, Fluorine, Potassium, Lithium, Oxygen, Silicon, Hydrogen
Location:
Altenberg, Ore Mountains, Saxony / Germany
Size of the mineral:
Length: 16 cm
Width: 9,5 cm
Height: 5 cm
Weight:
Nice specimen from the historical tin ore mining near Altenberg in the Ore Mountains. Typical stage of a topaz pseudomorph after potassium feldspar. These aggregates have the local designations stem topaz or topaz, zinnwaldite and quartz (pyknit).
