Rutile and Cassiterite Physical Properties

Rutile

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

Insoluble in acids

insoluble

Durability

Specific Gravity

4.20-4.306.86-7.03

1 7.18

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Fracture

Uneven, Conchoidal

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

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

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

Mohs Hardness

6-6.56-7

2 10

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Chemical Composition

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

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

Rutile and Cassiterite Chemical Formula

While comparing Rutile 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 Rutile and Cassiterite chemical formula.

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

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Rutile and Cassiterite Specific Gravity

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