Pezzottaite and Spinel Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
none
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-3.14
  
3.64-3.66
  
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Imperfect; basal
  
None, but may exhibit slight parting
  
Mohs Hardness
7.5-8
  
8
  
Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
  
MgAl2O4
  
Pezzottaite and Spinel Chemical Formula
While comparing Pezzottaite and Spinel 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 Spinel chemical formula.
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
- Chemical formula of Spinel- MgAl2O4
Pezzottaite and Spinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pezzottaite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.