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Hercynite and Pezzottaite Physical Properties


Pezzottaite and Hercynite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.39   
2.90-3.14   

Fracture
ConchoidalGemdat.org, Uneven   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct   
Imperfect; basal   

Mohs Hardness
7.5-8   
7.5-8   

Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)   
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Hercynite and Pezzottaite Chemical Formula

While comparing Hercynite and Pezzottaite 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 Hercynite and Pezzottaite chemical formula.

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Hercynite and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.

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