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Gahnite
Gahnite

Shigaite
Shigaite



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Gahnite
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Shigaite

Gahnite and Shigaite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Moderately flexible
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.00-4.622.32
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven
Flexible Flexible fragments.
1.6 Cleavage
Indistinct parting on [111]
Perfect on {0001}
1.7 Mohs Hardness
7.5-82
Amber
2 10
1.8 Chemical Composition
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Gahnite and Shigaite Chemical Formula

While comparing Gahnite and Shigaite 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 Shigaite chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Gahnite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 2.32 whereas that of Shigaite is 2.32.