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Mellite
Mellite

Cinnabar
Cinnabar



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Mellite
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Cinnabar

Mellite and Cinnabar Physical Properties

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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

1.58-1.602
1 7.18
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Fracture

Conchoidal
Uneven

Cleavage

{011} Imperfect
Prismatic {10 1 0}, perfect

Mohs Hardness

22-2.5
2 10
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Chemical Composition

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mellite and Cinnabar Chemical Formula

While comparing Mellite 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 Mellite and Cinnabar chemical formula.

  • Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mellite and Cinnabar Specific Gravity

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