Cassiterite and Jet Physical Properties

Cassiterite

Jet

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.031.19-1.35

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

ConchoidalWalter Schumann

Cleavage

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

None

Mohs Hardness

6-72.5-4

2 10

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Chemical Composition

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

Cassiterite and Jet Chemical Formula

While comparing Cassiterite and Jet 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 Jet chemical formula.

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

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Cassiterite and Jet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Jet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Jet Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 1.19-1.35 whereas that of Jet is 1.19-1.35.