Barite and Cinnabar Physical Properties

Barite

Cinnabar

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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

4.482

1 7.18

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Fracture

Uneven

Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

Prismatic {10 1 0}, perfect

Mohs Hardness

3-3.52-2.5

2 10

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Chemical Composition

BaSO4

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

Barite and Cinnabar Chemical Formula

While comparing Barite 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 Barite and Cinnabar chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Barite and Cinnabar Specific Gravity

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