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Apatite and Helenite Physical Properties


Helenite 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   
Not Available   

Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven   
Not Available   

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

Mohs Hardness
5   
Not Available   

Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references   
Not Available   

Optical Properties >>
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Apatite and Helenite Chemical Formula

While comparing Apatite and Helenite 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 Helenite chemical formula.

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Apatite and Helenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Helenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Helenite Optical Properties during the identification of gemstone. Specific gravity of Apatite is Not Available whereas that of Helenite is Not Available.

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