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Nepheline
Nepheline

Anorthite
Anorthite



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Nepheline
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Anorthite

Nepheline and Anorthite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
 
Brittle
-
-
2.77
Uneven
Perfect [001] good [010] poor [110]
6-6.5
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Nepheline and Anorthite Chemical Formula

While comparing Nepheline and Anorthite 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 Anorthite chemical formula.

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Nepheline and Anorthite Specific Gravity

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