Rhodochrosite and Chromite Physical Properties

Rhodochrosite

Chromite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

4.5-4.8

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Uneven

1.6 Cleavage

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

None, parting may develop along {111}

1.7 Mohs Hardness

3.5-4

5.5

1.8 Chemical Composition

MnCO₃

Fe++Cr2O4

Rhodochrosite and Chromite Chemical Formula

While comparing Rhodochrosite and Chromite 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 Chromite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Chromite- Fe++Cr2O4

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Rhodochrosite and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Chromite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 4.5-4.8 whereas that of Chromite is 4.5-4.8.