Sylvite and Cassiterite Physical Properties

Sylvite

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

insoluble

Durability

Specific Gravity

1.9936.86-7.03

1 7.18

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Fracture

Uneven

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

Perfect on [100], [010], [001]

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

Mohs Hardness

2.56-7

2 10

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Chemical Composition

KCl

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

Sylvite and Cassiterite Chemical Formula

While comparing Sylvite 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 Sylvite and Cassiterite chemical formula.

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

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Sylvite and Cassiterite Specific Gravity

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