Chromite and Cassiterite Physical Properties

Chromite

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

4.5-4.86.86-7.03

1 7.18

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Fracture

Uneven

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

None, parting may develop along {111}

{100} imperfect, {110} indistinct; partings on {111} or {011}

Mohs Hardness

5.56-7

2 10

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Chemical Composition

Fe++Cr2O4

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Chromite and Cassiterite Chemical Formula

While comparing Chromite and Cassiterite 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 Cassiterite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chromite and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.