Cassiterite and Cuprite Physical Properties

Cassiterite

Cuprite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.035.85-6.15

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Conchoidal

Cleavage

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

Fair in four directions forming octahedrons

Mohs Hardness

6-73.5-4

2 10

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Chemical Composition

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

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cassiterite and Cuprite Chemical Formula

While comparing Cassiterite and Cuprite 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 Cuprite chemical formula.

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

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Cassiterite Vs Crocoite

Cassiterite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.