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Apatite and Augite Physical Properties


Augite and Apatite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.16-3.23   
3.19-3.56   

Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
[0001] indistinct, [1010] indistinct   
{110} Perfect, {010} Indistinct   

Mohs Hardness
5   
5.5-6   

Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references   
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Apatite and Augite Chemical Formula

While comparing Apatite and Augite 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 Augite chemical formula.

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Apatite and Augite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Augite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.19-3.56 whereas that of Augite is 3.19-3.56.

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