Celestine and Cinnabar Physical Properties

Celestine

Cinnabar

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Physical Properties

Tenacity

Brittle

Slightly sectile

Solubility

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

Durability

Specific Gravity

3.90-4.002

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

Perfect on {001}, good on {210}, poor on {010}

Prismatic {10 1 0}, perfect

Mohs Hardness

3-3.52-2.5

2 10

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Chemical Composition

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Celestine and Cinnabar Chemical Formula

While comparing Celestine 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 Celestine and Cinnabar chemical formula.

Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Celestine and Cinnabar Specific Gravity

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