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Pyrope
Pyrope

Spinel
Spinel



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Pyrope
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Spinel

Pyrope and Spinel 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)
 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4

Pyrope and Spinel Chemical Formula

While comparing Pyrope and Spinel 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 Spinel chemical formula.

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Pyrope and Spinel Specific Gravity

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