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Turquoise
Turquoise

Nepheline
Nepheline



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Turquoise
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Nepheline

Turquoise and Nepheline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
2.30-2.90
Conchoidal
Good to perfect_usually N/A
5-6
CuAl6(PO4)4(OH)8 • 4H2O
 
-
-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Turquoise and Nepheline Chemical Formula

While comparing Turquoise 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 Turquoise and Nepheline chemical formula.

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Turquoise and Nepheline Specific Gravity

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