Measurements: 58 x 44 x 43 mm
Description: A specimen consisting of azurite (including several
nice crystals), duftite and bits of malachite in and on a (to us, unknown)
mineral. We are not sure whether the unknown mineral plays host to the other
minerals or whether it has partially replaced them.
The specimen has a few contact marks.
Weight of Specimen: 46.0 g
Chemical Composition: Cu3(CO3)2(OH)2 (azurite)
Hardness on Mohs Scale: (azurite) 3.5 – 4
Location: Tsumeb, Northern Namibia.
Specimen Code: NTS 011
US $ 45