Zoisite and Cassiterite Physical Properties

Zoisite

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

3.20-3.506.86-7.03

1 7.18

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Fracture

Uneven, Conchoidal, Even

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

Perfect {010} imperfect {100}

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

Mohs Hardness

6-76-7

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Zoisite and Cassiterite Chemical Formula

While comparing Zoisite 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 Zoisite and Cassiterite chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Zoisite and Cassiterite Specific Gravity

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