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Hurlbutite and Pyrophyllite Physical Properties


Pyrophyllite and Hurlbutite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90   
2.65-2.90   

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

Cleavage
None   
{001} Perfect   

Mohs Hardness
6   
Not Available   

Chemical Composition
CaBe 2(PO 4) 2Michael 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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Hurlbutite and Pyrophyllite Chemical Formula

While comparing Hurlbutite 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 Hurlbutite and Pyrophyllite chemical formula.

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Hurlbutite and Pyrophyllite Specific Gravity

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

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Green Gemstones


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