Vanadinite and Pyrophyllite Physical Properties

Vanadinite

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.8-7.12.65-2.90

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

None

{001} Perfect

1.7 Mohs Hardness

3-4Not Available

2 10

1.8 Chemical Composition

C20H36

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

Vanadinite and Pyrophyllite Chemical Formula

While comparing Vanadinite 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 Vanadinite and Pyrophyllite chemical formula.

Chemical formula of Vanadinite- C20H36
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Vanadinite and Pyrophyllite Specific Gravity

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