Measurements: 29 x 21 x 12 mm
Description: Small dioptase crystals on quartzite matrix. There are two areas of crystals.
There is some damage to the edges op the specimen.
Chemical Composition: Cu2+SiO2(OH)2
Hardness on Mohs
Scale: (dioptase) 5
Location: Tsumeb, Northern Namibia.
US $ SOLD