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Apatite
Apatite

Agrellite
Agrellite



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Apatite
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Agrellite

Apatite and Agrellite 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
 
-
-
-
2.88
-
perfect [110]
5.5
NaCa2Si4O10F

Apatite and Agrellite Chemical Formula

While comparing Apatite and Agrellite 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 Agrellite chemical formula.

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Apatite and Agrellite Specific Gravity

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