Pyrophyllite and Hemimorphite Physical Properties

Pyrophyllite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.903.30-3.50

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

{001} Perfect

Perfect on {110}, poor on {101}, {001} rare

1.7 Mohs Hardness

Not Available5

2 10

1.8 Chemical Composition

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

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyrophyllite and Hemimorphite Chemical Formula

While comparing Pyrophyllite and Hemimorphite 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 Hemimorphite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Pyrophyllite Vs Scorzalite

Pyrophyllite Vs Sardonyx

Pyrophyllite Vs Sard

Pyrophyllite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.