Cinnabar and Kutnohorite Physical Properties

Cinnabar

Kutnohorite

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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)

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

23.12

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Subconchoidal, Brittle, Conchoidal

1.6 Cleavage

Prismatic {10 1 0}, perfect

Perfect on {10 1 1}

1.7 Mohs Hardness

2-2.53-4

2 10

1.8 Chemical Composition

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

Not Available

Cinnabar and Kutnohorite Chemical Formula

While comparing Cinnabar and Kutnohorite 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 Kutnohorite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cinnabar and Kutnohorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Kutnohorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Kutnohorite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.12 whereas that of Kutnohorite is 3.12.