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Hyalite
Hyalite

Pyrophyllite
Pyrophyllite



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Hyalite
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Pyrophyllite

Hyalite and Pyrophyllite 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
Not Available2.65-2.90
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Gemstones (2009), Flexible Flexible fragments.
1.6 Cleavage
Not Available
{001} Perfect
1.7 Mohs Hardness
5.5-6.5Not Available
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hyalite and Pyrophyllite Chemical Formula

While comparing Hyalite and Pyrophyllite 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 Hyalite and Pyrophyllite chemical formula.

  • Chemical formula of Hyalite- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  • Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hyalite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hyalite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hyalite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Hyalite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.