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White Opal
White Opal

Nepheline
Nepheline



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White Opal
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Nepheline

White Opal and Nepheline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
-
-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

White Opal and Nepheline Chemical Formula

While comparing White Opal 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 White Opal and Nepheline chemical formula.

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White Opal and Nepheline Specific Gravity

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