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Poudretteite and Nepheline Physical Properties


Nepheline and Poudretteite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.51-2.53   
2.55-2.65   

Fracture
Conchoidal, Splintery   
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
None   
[1010] Poor   

Mohs Hardness
5   
5-6   

Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.   

Optical Properties >>
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Poudretteite and Nepheline Chemical Formula

While comparing Poudretteite and Nepheline 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 Poudretteite and Nepheline chemical formula.

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Poudretteite and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.

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