Pezzottaite and Agrellite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-3.14
  
2.88
  
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Not Available
  
Cleavage
Imperfect; basal
  
perfect [110]
  
Mohs Hardness
7.5-8
  
5.5
  
Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
  
NaCa2Si4O10F
  
Pezzottaite and Agrellite Chemical Formula
While comparing Pezzottaite and Agrellite 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 Agrellite chemical formula.
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
- Chemical formula of Agrellite- NaCa2Si4O10F
Pezzottaite and Agrellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pezzottaite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.88 whereas that of Agrellite is 2.88.