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Cinnabar
Cinnabar

Kainite
Kainite



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Cinnabar
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Kainite

Cinnabar and Kainite Physical Properties

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Physical Properties

Tenacity

Slightly sectile
Brittle

Solubility

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

Durability

-
-

Specific Gravity

22.15
1 7.18
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Fracture

Uneven
Splintery, Conchoidal

Cleavage

Prismatic {10 1 0}, perfect
{001}, perfect

Mohs Hardness

2-2.52.5-3
2 10
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Chemical Composition

HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
KMg(SO4)Cl

Cinnabar and Kainite Chemical Formula

While comparing Cinnabar and Kainite 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 Kainite chemical formula.

  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Kainite- KMg(SO4)Cl

Cinnabar and Kainite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Kainite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Kainite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.15 whereas that of Kainite is 2.15.