Cinnabar and Pyrophyllite Physical Properties

Cinnabar

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Not Available

1.2 Solubility

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

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

22.65-2.90

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

Prismatic {10 1 0}, perfect

{001} Perfect

1.7 Mohs Hardness

2-2.5Not Available

2 10

1.8 Chemical Composition

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

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cinnabar and Pyrophyllite Chemical Formula

While comparing Cinnabar and Pyrophyllite 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 Cinnabar and Pyrophyllite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cinnabar and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.