Torbanite and Apatite Physical Properties

Torbanite

Apatite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.2 Specific Gravity

Not Available3.16-3.23

1 7.18

2.5 Fracture

Not Available

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

2.6 Cleavage

Not Available

[0001] indistinct, [1010] indistinct

2.7 Mohs Hardness

Not Available5

2 10

2.11 Chemical Composition

Not Available

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

Torbanite and Apatite Chemical Formula

While comparing Torbanite 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 Torbanite and Apatite 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

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Torbanite and Apatite Specific Gravity

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