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Spinel
Spinel

Grossular
Grossular



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Spinel
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Grossular

Spinel and Grossular Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4
 
-
-
-
3.55-3.73
Conchoidal, Uneven
none
7-7.5
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Spinel and Grossular Chemical Formula

While comparing Spinel 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 Spinel and Grossular chemical formula.

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Spinel and Grossular Specific Gravity

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