Measurements: 55 x 35 x 28 mm
Description: A beautiful specimen consisting of small, drusy, gemmy dioptase and calcite crystals on a rock matrix. There are several small cavities, some with only calcite, and some with both calcite and dioptase. The matrix also contains a few traces of duftite.
specimen has a few nicks and damage to some of the edges.
Weight of Specimen: 62.6 g
Chemical Composition: Cu2+SiO2(OH)2 (dioptase) CaCO3 (calcite)
Hardness on Mohs
Location: Tsumeb, Northern Namibia.
Specimen Code: NTS 003
US $ 145.