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Pezzottaite
Pezzottaite

Andalusite
Andalusite



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Pezzottaite
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Andalusite

Pezzottaite and Andalusite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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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-
-
3.05-3.21
Uneven, Subconchoidal, Splintery
Good on {110}, poor on {100}
7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Pezzottaite and Andalusite Chemical Formula

While comparing Pezzottaite and Andalusite 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 Andalusite chemical formula.

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Pezzottaite and Andalusite Specific Gravity

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