Measurements: 74 x 32 x 22 mm
Description: A smoky quartz crystal with hematite stained feldspar on and under some surfaces.
One
side has a large, neat pressure mark, otherwise only a few small nicks.
Weight
of Specimen: 62.0 g
Chemical
Composition: SiO2
Hardness
on Mohs Scale: 7
Location:
Orange River
area, Northern Cape, South Afric
Specimen
Code: NC
024
R 70
...
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