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Chlorastrolite
Chlorastrolite

Pyrophyllite
Pyrophyllite



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Chlorastrolite
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Pyrophyllite

Chlorastrolite 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
3.1-3.52.65-2.90
Amber
1 7.18
1.5 Fracture
Granular
Gemstones (2009), Flexible Flexible fragments.
1.6 Cleavage
Not Available
{001} Perfect
1.7 Mohs Hardness
5-6Not Available
Amber
2 10
1.8 Chemical Composition
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Chlorastrolite and Pyrophyllite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Pyrophyllite chemical formula.

  • Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Chlorastrolite and Pyrophyllite Specific Gravity

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