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Narsarsukite and Nepheline Physical Properties


Nepheline and Narsarsukite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.72-2.83   
2.55-2.65   

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

Cleavage
Good on {100} and {110}   
[1010] Poor   

Mohs Hardness
6-7   
5-6   

Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.   
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.   

Optical Properties >>
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Narsarsukite and Nepheline Chemical Formula

While comparing Narsarsukite 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 Narsarsukite and Nepheline chemical formula.

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Narsarsukite and Nepheline Specific Gravity

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

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Green Gemstones


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