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Norbergite and Pyrophyllite Physical Properties


Pyrophyllite and Norbergite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.177   
2.65-2.90   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Gemstones (2009), Flexible Flexible fragments.   

Cleavage
{???} Distinct   
{001} Perfect   

Mohs Hardness
6-6.5   
Not Available   

Chemical Composition
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)   
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Norbergite and Pyrophyllite Chemical Formula

While comparing Norbergite 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 Norbergite and Pyrophyllite chemical formula.

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Norbergite and Pyrophyllite Specific Gravity

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

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