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Measurements: 32 x 26 x 15 mm Description: A group of (mostly) double terminated window quartz crystals with patches of light smoky colouring and clay inclusions. The specimen has very little damage; only a few small nicks. Weight
of Specimen: 11.8 g Chemical
Composition: SiO2
Hardness
on Mohs Scale:
7
Location:
Specimen Code: NBB 040 US $ SOLD ... ... .
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