Vesuvianite and Cinnabar Physical Properties

Vesuvianite

Cinnabar

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Physical Properties

Tenacity

Slightly sectile

Solubility

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

Durability

Specific Gravity

3.32-3.432

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

Poor on {110} and {100} very poor on {001}

Prismatic {10 1 0}, perfect

Mohs Hardness

6-72-2.5

2 10

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Chemical Composition

Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

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

Vesuvianite and Cinnabar Chemical Formula

While comparing Vesuvianite 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 Vesuvianite and Cinnabar chemical formula.

Chemical formula of Vesuvianite- Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Vesuvianite and Cinnabar Specific Gravity

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