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Nepheline
Nepheline

Coral
Coral



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Nepheline
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Coral

Nepheline and Coral Physical Properties

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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.
 
-
-
-
2.60-2.70
Irregular
None
3-4
CaCO 3Ulrich Henn and Claudio C.

Nepheline and Coral Chemical Formula

While comparing Nepheline and Coral 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 Coral chemical formula.

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Nepheline and Coral Specific Gravity

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