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Sphalerite
Sphalerite

Cinnabar
Cinnabar



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Sphalerite
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Sphalerite 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
3.95-4.10
2
1.5 Fracture
UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven
Uneven, Uneven, Gemstones (2009), Brittle
1.6 Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
Prismatic {10 1 0}, perfect
1.7 Mohs Hardness
3.5-4
2-2.5
1.8 Chemical Composition
(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sphalerite and Cinnabar Chemical Formula

While comparing Sphalerite 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 Sphalerite and Cinnabar chemical formula.

  • Chemical formula of Sphalerite- (Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sphalerite and Cinnabar Specific Gravity

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