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Stibiotantalite and Cinnabar Physical Properties


Cinnabar and Stibiotantalite Physical Properties


Physical Properties

Tenacity
Not Available   
Slightly sectile   

Solubility
Not Available   
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
Not Available   
2   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Uneven, Uneven, Gemstones (2009), Brittle   

Cleavage
{???} Perfect   
Prismatic {10 1 0}, perfect   

Mohs Hardness
5.5-6   
2-2.5   

Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.   
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Stibiotantalite and Cinnabar Chemical Formula

While comparing Stibiotantalite 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 Stibiotantalite and Cinnabar chemical formula.

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Stibiotantalite and Cinnabar Specific Gravity

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

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