Uvite and Cinnabar Physical Properties

Uvite

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

2.97-3.142

1 7.18

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Fracture

Uneven, Conchoidal

Uneven

Cleavage

{1011} Indistinct

Prismatic {10 1 0}, perfect

Mohs Hardness

-99992-2.5

2 10

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Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Uvite and Cinnabar Chemical Formula

While comparing Uvite 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 Uvite and Cinnabar chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

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Uvite and Cinnabar Specific Gravity

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