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Pyrophyllite
Pyrophyllite

Pargasite
Pargasite



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Pyrophyllite
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Pargasite

Pyrophyllite and Pargasite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.903.04-3.26
Amber
1 7.18
1.5 Fracture
Gemstones (2009), Flexible Flexible fragments.
Splintery, Brittle, Uneven
1.6 Cleavage
{001} Perfect
{110} perfect
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
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrophyllite and Pargasite Chemical Formula

While comparing Pyrophyllite and Pargasite 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 Pargasite 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 Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrophyllite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.