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Zinnwaldite
Zinnwaldite

Nepheline
Nepheline



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Zinnwaldite
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Nepheline

Zinnwaldite and Nepheline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Elastic
-
-
2.9-3.1
Uneven
Perfect basal {001}
3.5-4.0
-
 
-
-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Zinnwaldite and Nepheline Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Nepheline chemical formula.

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Zinnwaldite and Nepheline Specific Gravity

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