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Shigaite
Shigaite

Gahnite
Gahnite



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Shigaite
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Gahnite

Shigaite and Gahnite Physical Properties

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1 Physical Properties
1.1 Tenacity
Moderately flexible
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.324.00-4.62
Amber
1 7.18
1.5 Fracture
Flexible Flexible fragments.
Conchoidal, Uneven
1.6 Cleavage
Perfect on {0001}
Indistinct parting on [111]
1.7 Mohs Hardness
27.5-8
Amber
2 10
1.8 Chemical Composition
Not Available
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Shigaite and Gahnite Chemical Formula

While comparing Shigaite 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 Shigaite and Gahnite chemical formula.

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  • Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Shigaite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shigaite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.