Cassiterite and Rutile Physical Properties

Cassiterite

Rutile

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Insoluble in acids

Durability

Specific Gravity

6.86-7.034.20-4.30

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Uneven, Conchoidal

Cleavage

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

{110} good, 100 moderate, parting on {092} and {011}

Mohs Hardness

6-76-6.5

2 10

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Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Cassiterite and Rutile Chemical Formula

While comparing Cassiterite and Rutile 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 Rutile chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Cassiterite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.