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Humite
Humite

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Cinnabar



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Humite and Cinnabar Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Slightly sectile
1.2 Solubility
Not Available
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.20-3.32
2
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
Uneven, Uneven, Gemstones (2009), Brittle
1.6 Cleavage
Poor
Prismatic {10 1 0}, perfect
1.7 Mohs Hardness
6-6.5
2-2.5
1.8 Chemical Composition
(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Humite and Cinnabar Chemical Formula

While comparing Humite 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 Humite and Cinnabar chemical formula.

  • Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Humite and Cinnabar Specific Gravity

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