Cobaltoan Dolomite Crystals on Matrix – BARG 028

Measurements:  48 x 43 x 15 mm 

Description:  Small, drusy cobaltoan dolomite crystals sit on a rock matrix. 

The specimen has a few nicks.

Weight of Specimen: 29.2 g

Chemical Composition:  (Ca,Mg,Co)CO₃  (cobaltoan dolomite)

Hardness on Mohs Scale:  (cobaltoan dolomite)  3.5 – 4

Location:  Congo (DRC), Africa.

Specimen Code:  BARG 028