Cinnabar and Zincite Physical Properties

Cinnabar

Zincite

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Brittle

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

1.4 Specific Gravity

25.50-5.90

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Prismatic {10 1 0}, perfect

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

2-2.54

2 10

1.8 Chemical Composition

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Cinnabar and Zincite Chemical Formula

While comparing Cinnabar and Zincite 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 Zincite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Cinnabar and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Zincite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 5.50-5.90 whereas that of Zincite is 5.50-5.90.