Cinnabar and Mimetite Physical Properties

Cinnabar

Mimetite

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Physical Properties

Tenacity

Slightly sectile

Brittle

Solubility

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

Durability

Specific Gravity

27.10

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

Prismatic {10 1 0}, perfect

[10 1 1] Imperfect

Mohs Hardness

2-2.53.5

2 10

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Chemical Composition

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

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cinnabar and Mimetite Chemical Formula

While comparing Cinnabar and Mimetite 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 Mimetite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cinnabar and Mimetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 7.10 whereas that of Mimetite is 7.10.