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Cinnabar and Ruby Physical Properties


Ruby and Cinnabar Physical Properties


Physical Properties

Tenacity
Slightly sectile   
Brittle   

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

Durability
Not Available   
Not Available   

Specific Gravity
2   
3.97-4.05   

Fracture
Uneven, Uneven, Gemstones (2009), Brittle   
Conchoidal   

Cleavage
Prismatic {10 1 0}, perfect   
No true cleavage   

Mohs Hardness
2-2.5   
9   

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

Optical Properties >>
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Cinnabar and Ruby Chemical Formula

While comparing Cinnabar and Ruby 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 Cinnabar and Ruby chemical formula.

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Cinnabar and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Ruby Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.97-4.05 whereas that of Ruby is 3.97-4.05.

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Red Gemstones


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