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Pyrophyllite
Pyrophyllite

Diopside
Diopside



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Pyrophyllite
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Diopside

Pyrophyllite and Diopside Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.903.22-3.40
Amber
1 7.18
1.5 Fracture
Gemstones (2009), Flexible Flexible fragments.
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
1.6 Cleavage
{001} Perfect
Distinct/good on {110}
1.7 Mohs Hardness
Not Available5-6
Amber
2 10
1.8 Chemical Composition
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CaMgSi2O6

Pyrophyllite and Diopside Chemical Formula

While comparing Pyrophyllite and Diopside 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 Diopside chemical formula.

  • Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Diopside- CaMgSi2O6

Pyrophyllite and Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Diopside Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.22-3.40 whereas that of Diopside is 3.22-3.40.