Cassiterite and Scheelite Physical Properties

Cassiterite

Scheelite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.035.9-6.3

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Conchoidal, Uneven

Cleavage

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

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

Mohs Hardness

6-74.5-5

2 10

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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

Compare Red Gemstones

Cassiterite Vs Chrome-Chalcedony

Cassiterite Vs Cinnabar

Cassiterite Vs Crocoite

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.