Chromite and Kainite Physical Properties

Chromite

Kainite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.82.15

1 7.18

1.5 Fracture

Uneven

Splintery, Conchoidal, Brittle

1.6 Cleavage

None, parting may develop along {111}

{001}, perfect

1.7 Mohs Hardness

5.52.5-3

2 10

1.8 Chemical Composition

Fe++Cr2O4

Not Available

Chromite and Kainite Chemical Formula

While comparing Chromite and Kainite 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 Kainite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4

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Chromite and Kainite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Kainite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Kainite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.15 whereas that of Kainite is 2.15.