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Pezzottaite and Pollucite Physical Properties


Pollucite and Pezzottaite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Readily soluble in HF   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.14   
2.86-2.94   

Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
Imperfect; basal   
None observed   

Mohs Hardness
7.5-8   
6.5-7   

Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.   
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Pezzottaite and Pollucite Chemical Formula

While comparing Pezzottaite and Pollucite 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 Pezzottaite and Pollucite chemical formula.

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Pezzottaite and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.

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