Cinnabar and Hemimorphite Physical Properties

Cinnabar

Hemimorphite

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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)

Soluble

Durability

Specific Gravity

23.30-3.50

1 7.18

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Fracture

Uneven

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

Prismatic {10 1 0}, perfect

Perfect on {110}, poor on {101}, {001} rare

Mohs Hardness

2-2.55

2 10

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Chemical Composition

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

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cinnabar and Hemimorphite Chemical Formula

While comparing Cinnabar and Hemimorphite 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 Hemimorphite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

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Cinnabar and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.