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Pyrophyllite
Pyrophyllite

Shigaite
Shigaite



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Pyrophyllite
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Shigaite

Pyrophyllite and Shigaite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Moderately flexible
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.902.32
Amber
1 7.18
1.5 Fracture
Gemstones (2009), Flexible Flexible fragments.
Flexible Flexible fragments.
1.6 Cleavage
{001} Perfect
Perfect on {0001}
1.7 Mohs Hardness
Not Available2
Amber
2 10
1.8 Chemical Composition
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Pyrophyllite and Shigaite Chemical Formula

While comparing Pyrophyllite and Shigaite 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 Shigaite chemical formula.

  • Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Pyrophyllite and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.32 whereas that of Shigaite is 2.32.