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Shigaite
Shigaite

Cinnabar
Cinnabar



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Shigaite
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Cinnabar

Shigaite and Cinnabar Physical Properties

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1 Physical Properties
1.1 Tenacity
Moderately flexible
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
2.322
Amber
1 7.18
1.5 Fracture
Flexible Flexible fragments.
Uneven, Uneven, Gemstones (2009), Brittle
1.6 Cleavage
Perfect on {0001}
Prismatic {10 1 0}, perfect
1.7 Mohs Hardness
22-2.5
Amber
2 10
1.8 Chemical Composition
Not Available
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Shigaite and Cinnabar Chemical Formula

While comparing Shigaite 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 Shigaite and Cinnabar chemical formula.

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

Shigaite and Cinnabar Specific Gravity

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