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Chrysoprase and Apatite Physical Properties


Apatite and Chrysoprase Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.58-2.64   
3.16-3.23   

Fracture
Gems, Sixth Edition (2006)   
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven   

Cleavage
None   
[0001] indistinct, [1010] indistinct   

Mohs Hardness
6.5-7   
5   

Chemical Composition
SiO2 (with a high level of nickel impurities )   
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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Chrysoprase and Apatite Chemical Formula

While comparing Chrysoprase 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 Chrysoprase and Apatite chemical formula.

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Chrysoprase and Apatite Specific Gravity

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

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