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Apatite
Apatite

Sylvite
Sylvite



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Apatite
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Sylvite

Apatite and Sylvite Physical Properties

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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
5
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
 
Brittle
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Apatite and Sylvite Chemical Formula

While comparing Apatite and Sylvite 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 Sylvite chemical formula.

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Apatite and Sylvite Specific Gravity

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