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Nepheline and Zoisite Physical Properties


Zoisite 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   
3.20-3.50   

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

Cleavage
[1010] Poor   
Perfect {010} imperfect {100}   

Mohs Hardness
5-6   
6-7   

Chemical Composition
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.   
Ca2Al3(SiO4)3(OH)   

Optical Properties >>
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Nepheline and Zoisite Chemical Formula

While comparing Nepheline and Zoisite 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 Zoisite chemical formula.

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Nepheline and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.

Red Gemstones

Red Gemstones


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