Verdite and Cinnabar Physical Properties

Verdite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

Slightly sectile

1.2 Solubility

Not Available

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

2.80-3.02

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

{110} Good

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

32-2.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Cinnabar Chemical Formula

While comparing Verdite 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 Verdite and Cinnabar chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Verdite and Cinnabar Specific Gravity

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