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Gahnite
Gahnite

Omphacite
Omphacite



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Gahnite
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Omphacite

Gahnite and Omphacite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
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4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
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3.16-3.43
Uneven, Conchoidal
{110} Good, {110} Good
5-6
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Gahnite and Omphacite Chemical Formula

While comparing Gahnite and Omphacite 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 Gahnite and Omphacite chemical formula.

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Gahnite and Omphacite Specific Gravity

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