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Carnallite
Carnallite

Cinnabar
Cinnabar



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Carnallite
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Cinnabar

Carnallite and Cinnabar Physical Properties

Physical Properties

Tenacity

-
Slightly sectile

Solubility

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

Durability

-
-

Specific Gravity

1.62
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

None
Prismatic {10 1 0}, perfect

Mohs Hardness

2.52-2.5
2 10
👆🏻

Chemical Composition

KMgCl3•6(H2O)
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Carnallite and Cinnabar Chemical Formula

While comparing Carnallite 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 Carnallite and Cinnabar chemical formula.

  • Chemical formula of Carnallite- KMgCl3•6(H2O)
  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Carnallite and Cinnabar Specific Gravity

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