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Pezzottaite
Pezzottaite

Gahnite
Gahnite



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Pezzottaite
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Gahnite

Pezzottaite and Gahnite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
2.90-3.14
Conchoidal, Uneven
Imperfect; basal
7.5-8
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
 
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-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Pezzottaite and Gahnite Chemical Formula

While comparing Pezzottaite and Gahnite 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 Gahnite chemical formula.

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Pezzottaite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite Vs Gahnite during the identification of gemstone. Specific gravity of Pezzottaite is whereas that of Gahnite is .