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Cinnabar
Cinnabar

Sillimanite
Sillimanite



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Cinnabar
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Sillimanite

Cinnabar and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Cinnabar and Sillimanite Chemical Formula

While comparing Cinnabar and Sillimanite 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 Sillimanite chemical formula.

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Cinnabar and Sillimanite Specific Gravity

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