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Gahnospinel and Cinnabar Physical Properties


Cinnabar and Gahnospinel Physical Properties


Physical Properties

Tenacity
Not Available   
Slightly sectile   

Solubility
Not Available   
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)   

Durability
Not Available   
Not Available   

Specific Gravity
3.65-4.55   
2   

Fracture
ConchoidalArthur Thomas, Gemstones (2009)   
Uneven, Uneven, Gemstones (2009), Brittle   

Cleavage
None, but may exhibit slight parting   
Prismatic {10 1 0}, perfect   

Mohs Hardness
7.5-8   
2-2.5   

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

Optical Properties >>
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Gahnospinel and Cinnabar Chemical Formula

While comparing Gahnospinel and Cinnabar 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 Cinnabar chemical formula.

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Gahnospinel and Cinnabar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2 whereas that of Cinnabar is 2.

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