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Edenite and Apatite Physical Properties


Apatite and Edenite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.05-3.37   
3.16-3.23   

Fracture
Conchoidal, Brittle, Conchoidal   
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven   

Cleavage
Good on (110)   
[0001] indistinct, [1010] indistinct   

Mohs Hardness
5-6   
5   

Chemical Composition
NaCa2Mg5Si7AlO22(OH)2   
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Edenite and Apatite Chemical Formula

While comparing Edenite and Apatite 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 Edenite and Apatite chemical formula.

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Edenite and Apatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Apatite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 3.16-3.23 whereas that of Apatite is 3.16-3.23.

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