Linarite and Cinnabar Physical Properties

Linarite

Cinnabar

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Physical Properties

Tenacity

Slightly sectile

Solubility

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

Durability

Specific Gravity

5.352

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

Perfect on {100}, imperfect on {001}

Prismatic {10 1 0}, perfect

Mohs Hardness

2.52-2.5

2 10

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Chemical Composition

PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Linarite and Cinnabar Chemical Formula

While comparing Linarite 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 Linarite and Cinnabar chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Linarite and Cinnabar Specific Gravity

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