Cinnabar and Taaffeite Physical Properties

Cinnabar

Taaffeite

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Physical Properties

Tenacity

Slightly sectile

Solubility

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

Durability

Specific Gravity

23.60-3.61

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

Prismatic {10 1 0}, perfect

Imperfect/fair/absent

Mohs Hardness

2-2.58-8.5

2 10

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Chemical Composition

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

Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Cinnabar and Taaffeite Chemical Formula

While comparing Cinnabar and Taaffeite 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 Taaffeite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

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Cinnabar and Taaffeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.