Cinnabar and Sardonyx Physical Properties

Cinnabar

Sardonyx

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Not Available

1.2 Solubility

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

22.55-2.70

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Not Available

1.6 Cleavage

Prismatic {10 1 0}, perfect

Not Available

1.7 Mohs Hardness

2-2.56.5-7

2 10

1.8 Chemical Composition

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO 2Ulrich Henn and Claudio C.

Cinnabar and Sardonyx Chemical Formula

While comparing Cinnabar and Sardonyx 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 Sardonyx chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

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Cinnabar and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.