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Pyrope
Pyrope

Nepheline
Nepheline



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Pyrope
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Nepheline

Pyrope and Nepheline Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in water
-
3.62-3.87
Conchoidal
None
7-7.5
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
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-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Pyrope and Nepheline Chemical Formula

While comparing Pyrope 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 Pyrope and Nepheline chemical formula.

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Pyrope and Nepheline Specific Gravity

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