Scheelite and Cassiterite Physical Properties

Scheelite

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

5.9-6.36.86-7.03

1 7.18

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Fracture

Conchoidal, Uneven

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

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

Mohs Hardness

4.5-56-7

2 10

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Chemical Composition

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Scheelite and Cassiterite Chemical Formula

While comparing Scheelite 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 Scheelite and Cassiterite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Scheelite and Cassiterite Specific Gravity

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