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Apatite
Apatite

Atacamite
Atacamite



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Apatite
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Atacamite

Apatite and Atacamite 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
-
-
3.745-3.776
Conchoidal
Perfect on {010}, fair on {101}
3-3.5
Cu2Cl(OH)3

Apatite and Atacamite Chemical Formula

While comparing Apatite and Atacamite 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 Atacamite chemical formula.

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Apatite and Atacamite Specific Gravity

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