Description: Twenty quartz crystals of medium to high quality, ranging in length between 32 and 50 mm.
Most crystals have relatively little damage like small nicks, pressure / contact marks and flaws. Below are examples of those included in the lot. The few bits of black is goethite.
Total Weight
of Specimen: 282
g
Chemical
Composition: SiO2 (quartz)
α-FeO(OH)
(goethite)
Hardness on
Mohs Scale: (quartz)
7
(goethite) 5 - 5.5
Location: Ceres area, Western Cape, South Africa.
Specimen
Code: BULKsa
035
R 320
.
....
.
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