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Sapphire
Sapphire

Pyrophyllite
Pyrophyllite



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Sapphire
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Pyrophyllite

Sapphire and Pyrophyllite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al 2 O 3
 
-
-
-
2.65-2.90
-
{001} Perfect
-9999
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sapphire and Pyrophyllite Chemical Formula

While comparing Sapphire 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 Sapphire and Pyrophyllite chemical formula.

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Sapphire and Pyrophyllite Specific Gravity

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