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Hessonite
Hessonite

Gahnite
Gahnite



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Hessonite
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Gahnite

Hessonite and Gahnite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.55-3.73
Uneven
None
7-7.5
Ca3Al2(SiO4)3
 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Hessonite and Gahnite Chemical Formula

While comparing Hessonite and Gahnite 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 Hessonite and Gahnite chemical formula.

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Hessonite and Gahnite Specific Gravity

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