Halite and Cinnabar Physical Properties

Halite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Brittle

Slightly sectile

1.2 Solubility

Water-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

2.172

1 7.18

1.5 Fracture

Conchoidal, Brittle, Metallic

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Perfect {001}, three directions cubic

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

2.0-2.52-2.5

2 10

1.8 Chemical Composition

NaCl

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

Halite and Cinnabar Chemical Formula

While comparing Halite 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 Halite and Cinnabar chemical formula.

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

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Halite and Cinnabar Specific Gravity

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