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Omphacite
Omphacite

Gahnite
Gahnite



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Omphacite
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Gahnite

Omphacite and Gahnite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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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)
 
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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)

Omphacite and Gahnite Chemical Formula

While comparing Omphacite 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 Omphacite and Gahnite chemical formula.

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Omphacite and Gahnite Specific Gravity

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