Cinnabar and Brookite Physical Properties

Cinnabar

Brookite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Slightly sectile

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

Uneven

Prismatic {10 1 0}, perfect

2-2.5

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

Brittle

3.87-4.14

Subconchoidal, Conchoidal

Poor on {120}, in traces on {001}

5.5-6

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cinnabar and Brookite Chemical Formula

While comparing Cinnabar and Brookite 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 Brookite chemical formula.

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Cinnabar and Brookite Specific Gravity

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