Piemontite and Pezzottaite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
2.90-3.14
  
Fracture
Uneven, Splintery
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
[001] good, [100] distinct
  
Imperfect; basal
  
Mohs Hardness
6-6.5
  
7.5-8
  
Chemical Composition
Not Available
  
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
  
Piemontite and Pezzottaite Chemical Formula
While comparing Piemontite 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 Piemontite and Pezzottaite chemical formula.
>- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Piemontite and Pezzottaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Piemontite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.