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Measurements: 65 x 43 x 41 mm Description: A group of light smoky quartz crystals on feldspar with several facets. The main terminations have a few very small nicks, while the specimen has a few pressure marks and flaws. It displays well on a flat surface, all-round. Weight of Specimen: 102.0 g Chemical
Composition: SiO2 (quartz)
Hardness
on Mohs Scale: (quartz) 7 US $ 40 ... .. . .
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