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Neptunite
Neptunite

Grossular
Grossular



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Neptunite
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Grossular

Neptunite and Grossular Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
3.55-3.73
Conchoidal, Uneven
none
7-7.5
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Neptunite and Grossular Chemical Formula

While comparing Neptunite and Grossular 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 Neptunite and Grossular chemical formula.

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Neptunite and Grossular Specific Gravity

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