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Pyrophyllite
Pyrophyllite

Purpurite
Purpurite



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Pyrophyllite
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Purpurite

Pyrophyllite and Purpurite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.65-2.90
-
{001} Perfect
-9999
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Pyrophyllite and Purpurite Chemical Formula

While comparing Pyrophyllite and Purpurite 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 Purpurite chemical formula.

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Pyrophyllite and Purpurite Specific Gravity

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