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Cinnabar and Tantalite Physical Properties


Tantalite and Cinnabar Physical Properties


Physical Properties

Tenacity
Slightly sectile   
Not Available   

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   
5.2   

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

Cleavage
Prismatic {10 1 0}, perfect   
Good in one direction   

Mohs Hardness
2-2.5   
6-6.5   

Chemical Composition
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Cinnabar and Tantalite Chemical Formula

While comparing Cinnabar and Tantalite 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 Tantalite chemical formula.

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Cinnabar and Tantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Tantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Tantalite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 5.2 whereas that of Tantalite is 5.2.

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Red Gemstones


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