Cassiterite and Chromite Physical Properties

Cassiterite

Chromite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.034.5-4.8

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Uneven

Cleavage

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

None, parting may develop along {111}

Mohs Hardness

6-75.5

2 10

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Chemical Composition

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

Fe++Cr2O4

Cassiterite and Chromite Chemical Formula

While comparing Cassiterite 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 Cassiterite and Chromite chemical formula.

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

Compare Red Gemstones

Cassiterite Vs Chrome-Chalcedony

Cassiterite Vs Cinnabar

Cassiterite Vs Crocoite

Cassiterite and Chromite Specific Gravity

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