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Povondraite
Povondraite

Cinnabar
Cinnabar



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Povondraite
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Cinnabar

Povondraite and Cinnabar Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
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
3.262
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Uneven, Uneven, Gemstones (2009), Brittle
1.6 Cleavage
None
Prismatic {10 1 0}, perfect
1.7 Mohs Hardness
Not Available2-2.5
Amber
2 10
1.8 Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Povondraite and Cinnabar Chemical Formula

While comparing Povondraite 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 Povondraite and Cinnabar chemical formula.

  • Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Povondraite and Cinnabar Specific Gravity

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