Cinnabar and Chrysoberyl Physical Properties

Cinnabar

Chrysoberyl

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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

23.69-3.81

1 7.18

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Fracture

Uneven

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Cleavage

Prismatic {10 1 0}, perfect

Distinct on {110}, imperfect on {010}, poor on {001}

Mohs Hardness

2-2.58.5

2 10

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Chemical Composition

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

BeAl ₂ O ₄

Cinnabar and Chrysoberyl Chemical Formula

While comparing Cinnabar and Chrysoberyl 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 Chrysoberyl chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrysoberyl- BeAl ₂ O ₄

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Cinnabar and Chrysoberyl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.