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Nepheline
Nepheline

White Opal
White Opal



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Nepheline
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White Opal

Nepheline and White Opal 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.
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Nepheline and White Opal Chemical Formula

While comparing Nepheline and White Opal 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 White Opal chemical formula.

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Nepheline and White Opal Specific Gravity

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