Chromite and Malachite Physical Properties

Chromite

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

4.5-4.83.25-4.10

1 7.18

1.5 Fracture

Uneven

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

None, parting may develop along {111}

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

5.53.5-4

2 10

1.8 Chemical Composition

Fe++Cr2O4

Cu₂CO₃(OH)₂

Chromite and Malachite Chemical Formula

While comparing Chromite 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 Chromite and Malachite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Chromite and Malachite Specific Gravity

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