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Amethyst
Amethyst

Nepheline
Nepheline



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Amethyst
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Nepheline

Amethyst and Nepheline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2
 
-
-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Amethyst and Nepheline Chemical Formula

While comparing Amethyst 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 Amethyst and Nepheline chemical formula.

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Amethyst and Nepheline Specific Gravity

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