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Gahnospinel and Hemimorphite Physical Properties


Hemimorphite and Gahnospinel Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.65-4.55   
3.30-3.50   

Fracture
ConchoidalArthur Thomas, Gemstones (2009)   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
None, but may exhibit slight parting   
Perfect on {110}, poor on {101}, {001} rare   

Mohs Hardness
7.5-8   
5   

Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)   
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

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Gahnospinel and Hemimorphite Chemical Formula

While comparing Gahnospinel 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 Gahnospinel and Hemimorphite chemical formula.

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Gahnospinel and Hemimorphite Specific Gravity

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

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