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Nepheline
Nepheline

Esperite
Esperite



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Nepheline
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Esperite

Nepheline and Esperite 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.
 
-
-
-
4.28-4.42
Conchoidal
Distinct on [010] and [100] poor on [101]
5-5.5
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Nepheline and Esperite Chemical Formula

While comparing Nepheline and Esperite 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 Esperite chemical formula.

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Nepheline and Esperite Specific Gravity

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