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Nepheline and Prase Physical Properties


Prase and Nepheline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.65   
2.64-2.69   

Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)   

Cleavage
[1010] Poor   
Not Available   

Mohs Hardness
5-6   
7   

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

Optical Properties >>
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Nepheline and Prase Chemical Formula

While comparing Nepheline and Prase 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 Nepheline and Prase chemical formula.

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Nepheline and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Prase Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 2.64-2.69 whereas that of Prase is 2.64-2.69.

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Red Gemstones


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