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Nepheline and Vanadinite Physical Properties


Vanadinite and Nepheline Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.65   
6.8-7.1   

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

Cleavage
[1010] Poor   
None   

Mohs Hardness
5-6   
3-4   

Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.   
C20H36   

Optical Properties >>
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Nepheline and Vanadinite Chemical Formula

While comparing Nepheline and Vanadinite 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 Vanadinite chemical formula.

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Nepheline and Vanadinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Vanadinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Vanadinite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 6.8-7.1 whereas that of Vanadinite is 6.8-7.1.

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Red Gemstones


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