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Gahnite
Gahnite

Cinnabar
Cinnabar



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Gahnite
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Cinnabar

Gahnite and Cinnabar Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Slightly sectile
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
-
2
Uneven
Prismatic {10 1 0}, perfect
2-2.5
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Gahnite and Cinnabar Chemical Formula

While comparing Gahnite 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 Gahnite and Cinnabar chemical formula.

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Gahnite and Cinnabar Specific Gravity

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