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Sapphire
Sapphire

Cinnabar
Cinnabar



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Sapphire
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Cinnabar

Sapphire and Cinnabar Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al 2 O 3
 
Slightly sectile
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
-
2
Uneven
Prismatic {10 1 0}, perfect
2-2.5
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

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 Vs Cinnabar during the identification of gemstone. Specific gravity of Sapphire is whereas that of Cinnabar is .