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Sellaite and Apatite Physical Properties


Apatite and Sellaite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.14-3.16   
3.16-3.23   

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

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

Mohs Hardness
5-5.5   
5   

Chemical Composition
MgF 2Ulrich Henn and Claudio C.   
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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Sellaite and Apatite Chemical Formula

While comparing Sellaite 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 Sellaite and Apatite chemical formula.

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Sellaite and Apatite Specific Gravity

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

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