Riebeckite and Chromite Physical Properties

Riebeckite

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

3.28-3.444.5-4.8

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Uneven

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

None, parting may develop along {111}

1.7 Mohs Hardness

5.0-6.05.5

2 10

1.8 Chemical Composition

Not Available

Fe++Cr2O4

Riebeckite and Chromite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Chromite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4

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Riebeckite and Chromite Specific Gravity

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