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Oligoclase and Pyrophyllite Physical Properties


Pyrophyllite and Oligoclase Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.62-2.67   
2.65-2.90   

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

Cleavage
From the Greek, oligos and kasein, little cleavage.   
{001} Perfect   

Mohs Hardness
6-6.5   
Not Available   

Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Oligoclase and Pyrophyllite Chemical Formula

While comparing Oligoclase 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 Oligoclase and Pyrophyllite chemical formula.

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Oligoclase and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Oligoclase and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.

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