Cassiterite and Star Sapphire Physical Properties

Cassiterite

Star Sapphire

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

insoluble

6.86-7.03

Subconchoidal, Uneven, Conchoidal, Irregular

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

6-7

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

3.90-4.05

None

-9999

Al 2O 3Ulrich Henn and Claudio C.

Cassiterite and Star Sapphire Chemical Formula

While comparing Cassiterite and Star Sapphire 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 Star Sapphire chemical formula.

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Cassiterite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite Vs Star Sapphire during the identification of gemstone. Specific gravity of Cassiterite is whereas that of Star Sapphire is .