Cassiterite and Calcite Physical Properties

Cassiterite

Calcite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.032.67-2.73

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

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

1.7 Mohs Hardness

6-73

2 10

1.8 Chemical Composition

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

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.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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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 and Calcite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.