Cinnabar and Rutile Physical Properties

Cinnabar

Rutile

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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)

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

24.20-4.30

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Prismatic {10 1 0}, perfect

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

2-2.56-6.5

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Cinnabar and Rutile Chemical Formula

While comparing Cinnabar and Rutile 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 Rutile chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Cinnabar and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Rutile Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 4.20-4.30 whereas that of Rutile is 4.20-4.30.