Description
Beautiful clear / white topaz crystal on microcline feldspar with late-stage small lepidolite mica rosettes. Iron oxide gives a golden hue in some areas.
The occurrence for both lepidolite and nicely formed topaz crystals is chiefly, if not exclusively, in granite pegmatites.
The topaz displays fluorescence with 365nm long wave ultraviolet light.
size: 90 x 60 x 35 mm. 132 grams
from Shigar Valley, Gilgit-Baltistan, Pakistan