Kutnohorite and Cinnabar Physical Properties

Kutnohorite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Brittle

Slightly sectile

1.2 Solubility

Soluble

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

1.3 Durability

Not Available

1.4 Specific Gravity

3.122

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Conchoidal

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on {10 1 1}

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

3-42-2.5

2 10

1.8 Chemical Composition

Not Available

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

Kutnohorite and Cinnabar Chemical Formula

While comparing Kutnohorite 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 Kutnohorite and Cinnabar chemical formula.

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

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Kutnohorite and Cinnabar Specific Gravity

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