Kainite and Cinnabar Physical Properties

Kainite

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

2.152

1 7.18

1.5 Fracture

Splintery, Conchoidal, Brittle

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

{001}, perfect

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

2.5-32-2.5

2 10

1.8 Chemical Composition

Not Available

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

Kainite and Cinnabar Chemical Formula

While comparing Kainite 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 Kainite and Cinnabar chemical formula.

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

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Kainite and Cinnabar Specific Gravity

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