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Gahnospinel and Pyrophyllite Physical Properties


Pyrophyllite and Gahnospinel Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.65-4.55   
2.65-2.90   

Fracture
ConchoidalArthur Thomas, Gemstones (2009)   
Gemstones (2009), Flexible Flexible fragments.   

Cleavage
None, but may exhibit slight parting   
{001} Perfect   

Mohs Hardness
7.5-8   
Not Available   

Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)   
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Gahnospinel and Pyrophyllite Chemical Formula

While comparing Gahnospinel and Pyrophyllite 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 Pyrophyllite chemical formula.

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Gahnospinel and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.

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