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Gahnite and Hemimorphite Physical Properties


Hemimorphite and Gahnite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
4.00-4.62   
3.30-3.50   

Fracture
Conchoidal, Uneven   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
Indistinct parting on [111]   
Perfect on {110}, poor on {101}, {001} rare   

Mohs Hardness
7.5-8   
5   

Chemical Composition
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

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Gahnite and Hemimorphite Chemical Formula

While comparing Gahnite and Hemimorphite 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 Hemimorphite chemical formula.

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Gahnite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.

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