Cassiterite and Scheelite Physical Properties

Cassiterite

Scheelite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.035.9-6.3

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

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

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

1.7 Mohs Hardness

6-74.5-5

2 10

1.8 Chemical Composition

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

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

Cassiterite and Scheelite Chemical Formula

While comparing Cassiterite and Scheelite 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 Scheelite chemical formula.

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

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Cassiterite and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.