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Pyrophyllite
Pyrophyllite

Prase Opal
Prase Opal



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Pyrophyllite
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Prase Opal

Pyrophyllite and Prase Opal 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
2.65-2.90
1.98-2.25
1.5 Fracture
Gemstones (2009), Flexible Flexible fragments.
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{001} Perfect
Not Available
1.7 Mohs Hardness
Not Available
5-6.5
1.8 Chemical Composition
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 + H 2OUlrich Henn and Claudio C.

Pyrophyllite and Prase Opal Chemical Formula

While comparing Pyrophyllite and Prase Opal 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 Prase Opal 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 Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Pyrophyllite and Prase Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Prase Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Prase Opal Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 1.98-2.25 whereas that of Prase Opal is 1.98-2.25.