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Simpsonite and Nepheline Physical Properties


Nepheline and Simpsonite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
2.55-2.65   

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

Cleavage
None   
[1010] Poor   

Mohs Hardness
7-7.5   
5-6   

Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.   
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.   

Optical Properties >>
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Simpsonite and Nepheline Chemical Formula

While comparing Simpsonite 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 Simpsonite and Nepheline chemical formula.

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Simpsonite and Nepheline Specific Gravity

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

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