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Idocrase
Idocrase

Cinnabar
Cinnabar



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Idocrase
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Cinnabar

Idocrase 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

-99992
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

Indiscernible
Prismatic {10 1 0}, perfect

Mohs Hardness

-99992-2.5
2 10
👆🏻

Chemical Composition

Ca10(Mg,Fe)2(Si2O7)2(SiO4)2O(OH)2
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Idocrase and Cinnabar Chemical Formula

While comparing Idocrase 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 Idocrase and Cinnabar chemical formula.

  • Chemical formula of Idocrase- Ca10(Mg,Fe)2(Si2O7)2(SiO4)2O(OH)2
  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Idocrase and Cinnabar Specific Gravity

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