Kyanite and Cassiterite Physical Properties

Kyanite

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

3.53-3.656.86-7.03

1 7.18

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Fracture

Splintery

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

[100] perfect [010] imperfect with 79° angle between

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

Mohs Hardness

4-76-7

2 10

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Chemical Composition

Al2SiO5

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

Kyanite and Cassiterite Chemical Formula

While comparing Kyanite 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 Kyanite and Cassiterite chemical formula.

Chemical formula of Kyanite- Al2SiO5
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Kyanite and Cassiterite Specific Gravity

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