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Grossular
Grossular

Nepheline
Nepheline



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Nepheline

Grossular and Nepheline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.55-3.73
Conchoidal, Uneven
none
7-7.5
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
-
-
-
2.55-2.65
Subconchoidal, Conchoidal
[1010] Poor
5-6
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Grossular and Nepheline Chemical Formula

While comparing Grossular 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 Grossular and Nepheline chemical formula.

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Grossular and Nepheline Specific Gravity

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