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Nepheline
Nepheline

Falcons Eye
Falcons Eye



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Nepheline
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Falcons Eye

Nepheline and Falcons Eye 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.
 
-
-
-
2.58-2.64
-
-
7
SiO 2Walter Schumann , Gemstones of the world (2001)

Nepheline and Falcons Eye Chemical Formula

While comparing Nepheline and Falcons Eye 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 Falcons Eye chemical formula.

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Nepheline and Falcons Eye Specific Gravity

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