Cinnabar and Halite Physical Properties

Cinnabar

Halite

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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)

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

22.17

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Conchoidal, Brittle, Metallic

1.6 Cleavage

Prismatic {10 1 0}, perfect

Perfect {001}, three directions cubic

1.7 Mohs Hardness

2-2.52.0-2.5

2 10

1.8 Chemical Composition

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

NaCl

Cinnabar and Halite Chemical Formula

While comparing Cinnabar and Halite 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 Halite chemical formula.

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

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Cinnabar and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Halite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.17 whereas that of Halite is 2.17.