Apatite and Schorlomite Physical Properties

Apatite

Schorlomite

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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

3.16-3.233.77-3.93

1 7.18

1.5 Fracture

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

Gems, Conchoidal, Brittle

1.6 Cleavage

[0001] indistinct, [1010] indistinct

None

1.7 Mohs Hardness

57-7.5

2 10

1.8 Chemical Composition

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

Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Apatite and Schorlomite Chemical Formula

While comparing Apatite and Schorlomite 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 Schorlomite chemical formula.

Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Schorlomite- Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Apatite and Schorlomite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Schorlomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Schorlomite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.77-3.93 whereas that of Schorlomite is 3.77-3.93.