Apatite and Pyrite Physical Properties

Apatite

Pyrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.16-3.23

Conchoidal, Uneven, Conchoidal to uneven

[0001] indistinct, [1010] indistinct

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

Brittle

insoluble in water

5.00-5.20

Uneven, Conchoidal, ConchoidalWalter Schumann

Indistinct on {001}; partings on {011} and {111}

6-6.5

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

Apatite and Pyrite Chemical Formula

While comparing Apatite and Pyrite 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 Apatite and Pyrite chemical formula.

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Apatite and Pyrite Specific Gravity

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