Cerussite and Cinnabar Physical Properties

Cerussite

Cinnabar

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Physical Properties

Tenacity

Slightly sectile

Solubility

insoluble

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

Durability

Specific Gravity

6.46-6.572

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Uneven

Cleavage

Good [110] and [021]

Prismatic {10 1 0}, perfect

Mohs Hardness

3-3.52-2.5

2 10

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Chemical Composition

PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Cerussite and Cinnabar Chemical Formula

While comparing Cerussite 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 Cerussite and Cinnabar chemical formula.

Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Cerussite Vs Fluor buergerite

Cerussite Vs Gedrite

Cerussite Vs Goethite

Cerussite and Cinnabar Specific Gravity

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