Pyrophyllite and Proustite Physical Properties

Pyrophyllite

Proustite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.905.51-5.64

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

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

1.6 Cleavage

{001} Perfect

Distinct on {10 1 1}

1.7 Mohs Hardness

Not Available2.5

2 10

1.8 Chemical Composition

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

Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyrophyllite and Proustite Chemical Formula

While comparing Pyrophyllite and Proustite 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 Pyrophyllite and Proustite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Pyrophyllite Vs Sardonyx

Pyrophyllite Vs Scorzalite

Pyrophyllite Vs Sard

Pyrophyllite and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Proustite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 5.51-5.64 whereas that of Proustite is 5.51-5.64.