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Villiaumite
Villiaumite

Pezzottaite
Pezzottaite



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Villiaumite
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Pezzottaite

Villiaumite and Pezzottaite 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
2.79
2.90-3.14
1.5 Fracture
Brittle, Metallic
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
{100} Perfect, {010} Perfect, {001} Perfect
Imperfect; basal
1.7 Mohs Hardness
2
7.5-8
1.8 Chemical Composition
NaFUlrich Henn and Claudio C.
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Villiaumite and Pezzottaite Chemical Formula

While comparing Villiaumite 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 Villiaumite and Pezzottaite chemical formula.

  • Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.
  • Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Villiaumite and Pezzottaite Specific Gravity

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