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Phlogopite and Gahnospinel Physical Properties


Gahnospinel and Phlogopite Physical Properties


Physical Properties

Tenacity
Tough   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.78-2.85   
3.65-4.55   

Fracture
None, Uneven   
ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Perfect basal (001)   
None, but may exhibit slight parting   

Mohs Hardness
2-2.5   
7.5-8   

Chemical Composition
Not Available   
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)   

Optical Properties >>
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Phlogopite and Gahnospinel Chemical Formula

While comparing Phlogopite and Gahnospinel 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 Phlogopite and Gahnospinel chemical formula.

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Phlogopite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.

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