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Pezzottaite
Pezzottaite

Williamsite
Williamsite



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Pezzottaite
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Williamsite

Pezzottaite and Williamsite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.142.51-2.63
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Conchoidal, Handbook of mineralogy (2001)
1.6 Cleavage
Imperfect; basal
Not Available
1.7 Mohs Hardness
7.5-84
Amber
2 10
1.8 Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Pezzottaite and Williamsite Chemical Formula

While comparing Pezzottaite and Williamsite 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 Williamsite chemical formula.

  • Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
  • Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Pezzottaite and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.