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Pyrope Almandine
Pyrope Almandine

Neptunite
Neptunite



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Pyrope Almandine
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Neptunite

Pyrope Almandine and Neptunite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.62-4.20
-
None
7-7.5
(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrope Almandine and Neptunite Chemical Formula

While comparing Pyrope Almandine and Neptunite 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 Almandine and Neptunite chemical formula.

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Pyrope Almandine and Neptunite Specific Gravity

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