Chrysoberyl and Cinnabar Physical Properties

Chrysoberyl

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

3.69-3.812

1 7.18

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Fracture

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Uneven

Cleavage

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

Prismatic {10 1 0}, perfect

Mohs Hardness

8.52-2.5

2 10

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Chemical Composition

BeAl ₂ O ₄

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

Chrysoberyl and Cinnabar Chemical Formula

While comparing Chrysoberyl 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 Chrysoberyl and Cinnabar chemical formula.

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

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Chrysoberyl and Cinnabar Specific Gravity

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