Chromite and Variscite Physical Properties

Chromite

Variscite

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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

4.5-4.82.42-2.58

1 7.18

1.5 Fracture

Uneven

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

None, parting may develop along {111}

[010] perfect

1.7 Mohs Hardness

5.54-5

2 10

1.8 Chemical Composition

Fe++Cr2O4

AlPO₄ · 2(H₂O)

Chromite and Variscite Chemical Formula

While comparing Chromite and Variscite 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 Variscite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Chromite and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Variscite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.42-2.58 whereas that of Variscite is 2.42-2.58.