Measurements:
75 x 46 x 42 mm
Description: A group of quartz crystals with chlorite inclusions and bits of feldspar and hematite on some surfaces.
The
specimen has a number of (mostly small) nicks.
Weight
of Specimen: 97 g
Chemical
Composition: SiO2
Hardness
on Mohs Scale: 7
Location:
Northern Cape, South Afric
Specimen
Code: NC
023
R 130
...
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