Chromite and Coral Physical Properties

Chromite

Coral

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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

4.5-4.82.60-2.70

1 7.18

1.5 Fracture

Uneven

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

None, parting may develop along {111}

Not Available

1.7 Mohs Hardness

5.53-4

2 10

1.8 Chemical Composition

Fe++Cr2O4

CaCO 3Ulrich Henn and Claudio C.

Chromite and Coral Chemical Formula

While comparing Chromite and Coral 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 Coral chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

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Chromite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Coral Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.60-2.70 whereas that of Coral is 2.60-2.70.