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Cinnabar and Smithsonite Physical Properties


Smithsonite 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   
4.00-4.65   

Fracture
Uneven, Uneven, Gemstones (2009), Brittle   
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic   

Cleavage
Prismatic {10 1 0}, perfect   
Perfect on [1011]   

Mohs Hardness
2-2.5   
5-5.5   

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

Optical Properties >>
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Cinnabar and Smithsonite Chemical Formula

While comparing Cinnabar and Smithsonite 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 Smithsonite chemical formula.

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Cinnabar and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.

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Red Gemstones


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