Cassiterite and Apophyllite Physical Properties

Cassiterite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.032.30-2.50

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect on (001)

1.7 Mohs Hardness

6-74.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Cassiterite and Apophyllite Chemical Formula

While comparing Cassiterite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Cassiterite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.