Cassiterite and Beryl Physical Properties

Cassiterite

Beryl

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.032.60-2.90

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Uneven, Conchoidal, Irregular

Cleavage

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

Imperfect on {0001}

Mohs Hardness

6-77.5-8

2 10

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Chemical Composition

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

Be₃Al₂Si₆O₁₈

Cassiterite and Beryl Chemical Formula

While comparing Cassiterite and Beryl 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 Beryl chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Beryl- Be₃Al₂Si₆O₁₈

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Cassiterite and Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Beryl Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.60-2.90 whereas that of Beryl is 2.60-2.90.