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Sapphire and Cinnabar Physical Properties


Cinnabar and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Slightly sectile   

Solubility
insoluble   
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
3.95-4.03   
2   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Uneven, Uneven, Gemstones (2009), Brittle   

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

Mohs Hardness
9   
2-2.5   

Chemical Composition
Al 2 O 3   
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Sapphire and Cinnabar Chemical Formula

While comparing Sapphire 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 Sapphire and Cinnabar chemical formula.

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Sapphire and Cinnabar Specific Gravity

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

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