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Jet
Jet

Pyrophyllite
Pyrophyllite



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Jet
X
Pyrophyllite

Jet and Pyrophyllite Physical Properties

Jet
Jet
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.19-1.35
ConchoidalWalter Schumann
None
2.5-4
C
 
-
-
-
2.65-2.90
-
{001} Perfect
-9999
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Jet and Pyrophyllite Chemical Formula

While comparing Jet 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 Jet and Pyrophyllite chemical formula.

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Jet and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jet and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jet Vs Pyrophyllite during the identification of gemstone. Specific gravity of Jet is whereas that of Pyrophyllite is .