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Sanidine
Sanidine

Nepheline
Nepheline



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Sanidine
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Nepheline

Sanidine and Nepheline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.54-2.61
Uneven
{001} Perfect, {010} Good
6
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Sanidine and Nepheline Chemical Formula

While comparing Sanidine 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 Sanidine and Nepheline chemical formula.

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Sanidine and Nepheline Specific Gravity

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