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Nepheline
Nepheline

Hercynite
Hercynite



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Nepheline
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Hercynite

Nepheline and Hercynite 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.
 
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-
-
4.39
Uneven
{111} Indistinct, {111} Indistinct, {111} Indistinct
7.5-8
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Nepheline and Hercynite Chemical Formula

While comparing Nepheline and Hercynite 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 Hercynite chemical formula.

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Nepheline and Hercynite Specific Gravity

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