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Apatite and Verdelite Physical Properties


Verdelite 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   
2.90-3.40   

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

Cleavage
[0001] indistinct, [1010] indistinct   
Not Available   

Mohs Hardness
5   
7-7.5   

Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references   
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   

Optical Properties >>
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Apatite and Verdelite Chemical Formula

While comparing Apatite and Verdelite 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 Verdelite chemical formula.

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Apatite and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.

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