Rhodochrosite and Malachite Physical Properties

Rhodochrosite

Malachite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

3.25-4.10

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

On {10 1 1} perfect; parting on {10 1 2}

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

MnCO₃

Cu₂CO₃(OH)₂

Rhodochrosite and Malachite Chemical Formula

While comparing Rhodochrosite and Malachite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Rhodochrosite and Malachite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Rhodochrosite and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.