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Opal Australia
Opal Australia

Cinnabar
Cinnabar



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Opal Australia
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Cinnabar

Opal Australia and Cinnabar Physical Properties

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

-99992
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

None
Prismatic {10 1 0}, perfect

Mohs Hardness

5.5-6.52-2.5
2 10
👆🏻

Chemical Composition

SiO2*nH2O
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Opal Australia and Cinnabar Chemical Formula

While comparing Opal Australia 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 Opal Australia and Cinnabar chemical formula.

  • Chemical formula of Opal Australia- SiO2*nH2O
  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Opal Australia and Cinnabar Specific Gravity

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