Apatite and Ceylonite Physical Properties

Apatite

Ceylonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.23

3.63-3.9

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

[0001] indistinct, [1010] indistinct

Indistinct

1.7 Mohs Hardness

7.5-8

1.8 Chemical Composition

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

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

Apatite and Ceylonite Chemical Formula

While comparing Apatite and Ceylonite 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 Ceylonite 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 Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Apatite and Ceylonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Ceylonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Ceylonite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.63-3.9 whereas that of Ceylonite is 3.63-3.9.