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Pezzottaite and Dravite Physical Properties


Dravite and Pezzottaite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.14   
3.03-3.18   

Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
Imperfect; basal   
{???} Indistinct   

Mohs Hardness
7.5-8   
7-7.5   

Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.   
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   

Optical Properties >>
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Pezzottaite and Dravite Chemical Formula

While comparing Pezzottaite and Dravite 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 Dravite chemical formula.

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Pezzottaite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Dravite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 3.03-3.18 whereas that of Dravite is 3.03-3.18.

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