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Cinnabar
Cinnabar

Gahnite
Gahnite



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Cinnabar
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Gahnite

Cinnabar and Gahnite Physical Properties

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1 Physical Properties
1.1 Tenacity
Slightly sectile
Not Available
1.2 Solubility
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
24.00-4.62
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gemstones (2009), Brittle
Conchoidal, Uneven
1.6 Cleavage
Prismatic {10 1 0}, perfect
Indistinct parting on [111]
1.7 Mohs Hardness
2-2.57.5-8
Amber
2 10
1.8 Chemical Composition
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Cinnabar and Gahnite Chemical Formula

While comparing Cinnabar and Gahnite 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 Cinnabar and Gahnite chemical formula.

  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Cinnabar and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.