Cassiterite and Emerald Physical Properties

Cassiterite

Emerald

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Hard

Specific Gravity

6.86-7.032.67-2.78

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Uneven, ConchoidalWalter Schumann

Cleavage

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

Imperfect on the [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

Be₃Al₂SiO₆

Cassiterite and Emerald Chemical Formula

While comparing Cassiterite and Emerald 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 Emerald chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Emerald- Be₃Al₂SiO₆

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Cassiterite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.