Bytownite and Cinnabar Physical Properties

Bytownite

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

2.72-2.752

1 7.18

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Fracture

Uneven

Cleavage

Perfect on [001], good on [010], imperfect on [110]

Prismatic {10 1 0}, perfect

Mohs Hardness

6-6.52-2.5

2 10

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Chemical Composition

Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Bytownite and Cinnabar Chemical Formula

While comparing Bytownite 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 Bytownite and Cinnabar chemical formula.

Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bytownite and Cinnabar Specific Gravity

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