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Nepheline
Nepheline

Andesine
Andesine



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Nepheline
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Andesine

Nepheline and Andesine 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
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8

Nepheline and Andesine Chemical Formula

While comparing Nepheline and Andesine 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 Andesine chemical formula.

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Nepheline and Andesine Specific Gravity

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