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Nepheline
Nepheline

Goethite
Goethite



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Nepheline
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Goethite

Nepheline and Goethite 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.
 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)

Nepheline and Goethite Chemical Formula

While comparing Nepheline and Goethite 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 Goethite chemical formula.

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Nepheline and Goethite Specific Gravity

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