Pyrophyllite and Smithsonite Physical Properties

Pyrophyllite

Smithsonite

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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

2.65-2.904.00-4.65

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

{001} Perfect

Perfect on [1011]

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

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

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

Pyrophyllite and Smithsonite Chemical Formula

While comparing Pyrophyllite and Smithsonite 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 Smithsonite chemical formula.

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

Compare Blue Gemstones

Pyrophyllite Vs Sard

Pyrophyllite Vs Scorzalite

Pyrophyllite Vs Sardonyx

Pyrophyllite and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.