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Demantoid
Demantoid

Gahnite
Gahnite



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Demantoid
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Gahnite

Demantoid and Gahnite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.77-3.95
-
Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Demantoid and Gahnite Chemical Formula

While comparing Demantoid 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 Demantoid and Gahnite chemical formula.

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Demantoid and Gahnite Specific Gravity

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