Cassiterite and Rock Crystal Physical Properties

Cassiterite

Rock Crystal

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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

2.65

ConchoidalWalter Schumann

None

SiO 2Walter Schumann , Gemstones of the world (2001)

Cassiterite and Rock Crystal Chemical Formula

While comparing Cassiterite and Rock Crystal 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 Rock Crystal chemical formula.

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Cassiterite Vs Cinnabar

Cassiterite Vs Crocoite

Cassiterite and Rock Crystal Specific Gravity

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