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Apatite
Apatite

Almandine
Almandine



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Apatite
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Almandine

Apatite and Almandine 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
 
-
-
-
3.95-4.30
Conchoidal
none
7-7.5
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Apatite and Almandine Chemical Formula

While comparing Apatite and Almandine 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 Almandine chemical formula.

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Apatite and Almandine Specific Gravity

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