Serpentine and Cinnabar Physical Properties

Serpentine

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

2.44-2.622

1 7.18

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Fracture

Uneven

Cleavage

Indiscernible

Prismatic {10 1 0}, perfect

Mohs Hardness

2.5-5.52-2.5

2 10

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Chemical Composition

H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

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

Serpentine and Cinnabar Chemical Formula

While comparing Serpentine 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 Serpentine and Cinnabar chemical formula.

Chemical formula of Serpentine- H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Serpentine and Cinnabar Specific Gravity

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