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Sapphirine
Sapphirine

Gahnite
Gahnite



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Sapphirine
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Gahnite

Sapphirine and Gahnite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
3.40-3.58
Conchoidal, Uneven
{010} Perfect
7.5
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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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)

Sapphirine and Gahnite Chemical Formula

While comparing Sapphirine 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 Sapphirine and Gahnite chemical formula.

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Sapphirine and Gahnite Specific Gravity

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