Cassiterite and Apatite Physical Properties

Cassiterite

Apatite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.033.16-3.23

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Conchoidal, Uneven, Conchoidal to uneven

Cleavage

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

[0001] indistinct, [1010] indistinct

Mohs Hardness

6-75

2 10

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Chemical Composition

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

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Cassiterite and Apatite Chemical Formula

While comparing Cassiterite and Apatite 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 Apatite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Red Gemstones

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Cassiterite Vs Cinnabar

Cassiterite Vs Crocoite

Cassiterite and Apatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Apatite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.16-3.23 whereas that of Apatite is 3.16-3.23.