Cinnabar and Rosasite Physical Properties

Cinnabar

Rosasite

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Brittle

1.2 Solubility

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

Effervesces in cold

1.3 Durability

Not Available

1.4 Specific Gravity

24-4.2

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Splintery

1.6 Cleavage

Prismatic {10 1 0}, perfect

Perfect on {100} and {010}

1.7 Mohs Hardness

2-2.54

2 10

1.8 Chemical Composition

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

Not Available

Cinnabar and Rosasite Chemical Formula

While comparing Cinnabar and Rosasite 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 Rosasite chemical formula.

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

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Cinnabar and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 4-4.2 whereas that of Rosasite is 4-4.2.