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Pyrophyllite and Fibrolite Physical Properties


Fibrolite and Pyrophyllite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.65-2.90   
3.14-3.25   

Fracture
Gemstones (2009), Flexible Flexible fragments.   
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   

Cleavage
{001} Perfect   
Not Available   

Mohs Hardness
Not Available   
6-7   

Chemical Composition
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Al 2SiO 5Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Pyrophyllite and Fibrolite Chemical Formula

While comparing Pyrophyllite and Fibrolite 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 Fibrolite chemical formula.

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Pyrophyllite and Fibrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Fibrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Fibrolite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 3.14-3.25 whereas that of Fibrolite is 3.14-3.25.

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