Painite and Apatite Physical Properties

Painite

Apatite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.033.16-3.23

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven

1.6 Cleavage

Not Available

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

7.5-85

2 10

1.8 Chemical Composition

CaZrBAl 9O 18Michael 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

Painite and Apatite Chemical Formula

While comparing Painite 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 Painite and Apatite chemical formula.

Chemical formula of Painite- CaZrBAl 9O 18Michael 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

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Painite and Apatite Specific Gravity

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