Calcite and Cassiterite Physical Properties

Calcite

Cassiterite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.67-2.73

6.86-7.03

1.5 Fracture

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

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

1.6 Cleavage

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

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

1.7 Mohs Hardness

6-7

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

Calcite and Cassiterite Chemical Formula

While comparing Calcite and Cassiterite 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 Calcite and Cassiterite chemical formula.

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

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Calcite and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Calcite is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.