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Thulite
Thulite

Cinnabar
Cinnabar



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Thulite
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Cinnabar

Thulite 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

3.12
1 7.18
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Fracture

Uneven, Conchoidal
Uneven

Cleavage

Perfect {010} imperfect {100}
Prismatic {10 1 0}, perfect

Mohs Hardness

6-72-2.5
2 10
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Chemical Composition

Ca2Al3(SiO4)3(OH)
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Thulite and Cinnabar Chemical Formula

While comparing Thulite 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 Thulite and Cinnabar chemical formula.

  • Chemical formula of Thulite- Ca2Al3(SiO4)3(OH)
  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Thulite and Cinnabar Specific Gravity

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