Malachite on Matrix OTH 016

Botryoidal malachite aggregates and calcite, on matrix

Measurements:  112 x 54 x 35 mm

Description:  Botryoidal aggregates of malachite crystals on rock matrix. The lesser side of the specimen has a thin coating of minute calcite crystals on it. 

Some of the malachite crystals have a few nicks.

Weight of Specimen:  178 g

Chemical Composition:  Cu2+(CO3)(OH)2 (malachite)
                                        CaCO3 (calcite)

Hardness on Mohs Scale:   (malachite) 3.5 - 4
                                           (calcite) 3

Location:  Congo (DRC)

Specimen Code:  OTH 016

R 250

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