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Sapphire and Pyrophyllite Physical Properties


Pyrophyllite and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.03   
2.65-2.90   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Gemstones (2009), Flexible Flexible fragments.   

Cleavage
None, but may exhibit parting   
{001} Perfect   

Mohs Hardness
9   
Not Available   

Chemical Composition
Al 2 O 3   
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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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 and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.

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