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Willemite and Pyrophyllite Physical Properties


Pyrophyllite and Willemite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.89-4.18   
2.65-2.90   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven   
Gemstones (2009), Flexible Flexible fragments.   

Cleavage
{0001}, {11 2 0} imperfect   
{001} Perfect   

Mohs Hardness
5.5   
Not Available   

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

Optical Properties >>
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Willemite and Pyrophyllite Chemical Formula

While comparing Willemite 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 Willemite and Pyrophyllite chemical formula.

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Willemite and Pyrophyllite Specific Gravity

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

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Red Gemstones


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