Cassiterite and Calcite Physical Properties

Cassiterite

Calcite

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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

Brittle

Soluble

2.67-2.73

Conchoidal

Perfect on [10 1 1] three directions with angle of 74° 55

CaCO 3Ulrich Henn and Claudio C.

Cassiterite and Calcite Chemical Formula

While comparing Cassiterite and Calcite 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 Calcite chemical formula.

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Cassiterite and Calcite Specific Gravity

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