Cassiterite and Wulfenite Physical Properties

Cassiterite

Wulfenite

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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

6.86-7.036.50-7.00

1 7.18

1.5 Fracture

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

Irregular, Brittle, Conchoidal

1.6 Cleavage

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

On {011}, distinct; on {001}, {013}, indistinct

1.7 Mohs Hardness

6-73

2 10

1.8 Chemical Composition

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

PbMoO 4Walter Schumann , Gemstones of the world (2001)

Cassiterite and Wulfenite Chemical Formula

While comparing Cassiterite and Wulfenite 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 Wulfenite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

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Cassiterite and Wulfenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.