Measurements:
38
x 30 x 30 mm
Description: A two-sided specimen
consisting of delicate, gemmy azurite crystals, some partly altered to
malachite, with bits of calcite.
The underside, which is probably the most spectacular, has no notable damage. The rest of the specimen has a few nicks.
Weight of Specimen: 28.1 g
Chemical
Composition: Cu3(CO3)2(OH)2
(azurite)
Cu2+(CO3)(OH)2
(malachite)
CaCO3 (calcite)
Hardness
on Mohs Scale: (azurite)
3.5 – 4
(malachite)
3.5
- 4
(calcite)
3
Location: Tsumeb,
Northern Namibia.
Specimen Code: NTS 024
US $ 160
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