Cinnabar and Beryl Physical Properties

Cinnabar

Beryl

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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

22.60-2.90

1 7.18

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Fracture

Uneven

Uneven, Conchoidal, Irregular

Cleavage

Prismatic {10 1 0}, perfect

Imperfect on {0001}

Mohs Hardness

2-2.57.5-8

2 10

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Chemical Composition

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

Be₃Al₂Si₆O₁₈

Cinnabar and Beryl Chemical Formula

While comparing Cinnabar and Beryl 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 Beryl chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Beryl- Be₃Al₂Si₆O₁₈

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Cinnabar and Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Beryl Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.60-2.90 whereas that of Beryl is 2.60-2.90.