Dioptase on Quartz – NKO 019
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Measurements: 64 x 51 mm
Description:
Gem quality dioptase crystals, the three largest being two of
13 mm long,
and one of 11 mm, on a matrix of quartz. Weight of Specimen: 177.7 g Chemical
Composition: Cu2+SiO2(OH)2
(dioptase) Hardness
on Mohs Scale: (dioptase)
5 Location: Kaokoland, Northern Namibia. Specimen
Code:
NKO 019 US
$ 170
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