Pezzottaite and Cinnabar Physical Properties

Pezzottaite

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

2.90-3.142

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Imperfect; basal

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

7.5-82-2.5

2 10

1.8 Chemical Composition

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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

Pezzottaite and Cinnabar Chemical Formula

While comparing Pezzottaite 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 Pezzottaite and Cinnabar chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pezzottaite and Cinnabar Specific Gravity

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