Prasiolite and Cinnabar Physical Properties

Prasiolite

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

2.652

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Uneven

Cleavage

3,1

Prismatic {10 1 0}, perfect

Mohs Hardness

72-2.5

2 10

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Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Cinnabar Chemical Formula

While comparing Prasiolite 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 Prasiolite and Cinnabar chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Prasiolite and Cinnabar Specific Gravity

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