Cobaltoan Dolomite on Matrix – OTH 028

Cobaltoan dolomite crystals on rock matrix

Measurements:  58 x 42 x 18 mm

Description:  Cobaltoan dolomite crystals, along with small, dark green (to us, unknown) crystals, sit on a trimmed rock matrix. 

The specimen has no notable damage.

Weight of Specimen:  72 g

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

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

Location:  Congo (DRC), Africa.

Specimen Code:  OTH 028

R 180

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