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Nepheline and Pleonaste Physical Properties


Pleonaste 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   
3.80   

Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Not Available   

Cleavage
[1010] Poor   
Not Available   

Mohs Hardness
5-6   
8   

Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.   
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)   

Optical Properties >>
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Nepheline and Pleonaste Chemical Formula

While comparing Nepheline and Pleonaste 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 Pleonaste chemical formula.

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Nepheline and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 3.80 whereas that of Pleonaste is 3.80.

Red Gemstones

Red Gemstones


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