Calcite Crystals on Matrix - NTS 052

Measurements:  80 x 68 x 38 mm

Description:  Calcite crystals sit on a (to us, unknown) matrix. Some crystals have a yellowish colour due to iron oxide staining. 

The specimen has a few nicks.

Weight of Specimen:  157.2 g

Chemical Composition:  CaCO₃  (calcite)

Hardness on Mohs Scale:  (calcite)  3

Location:  Tsumeb, Northern Namibia.

Specimen Code:  NTS 052

US $ 120