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Hyalite
Hyalite

Pyrophyllite
Pyrophyllite



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Hyalite
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Pyrophyllite

Hyalite and Pyrophyllite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
-
-
-
2.65-2.90
-
{001} Perfect
-9999
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.

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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 Vs Pyrophyllite during the identification of gemstone. Specific gravity of Hyalite is whereas that of Pyrophyllite is .