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Gahnite and Adamite Physical Properties


Adamite and Gahnite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.00-4.62   
4.32-4.48   

Fracture
Conchoidal, Uneven   
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic   

Cleavage
Indistinct parting on [111]   
{101}, good; {010}, poor   

Mohs Hardness
7.5-8   
3.5   

Chemical Composition
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)   

Optical Properties >>
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Gahnite and Adamite Chemical Formula

While comparing Gahnite and Adamite 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 Adamite chemical formula.

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Gahnite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.

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