Pezzottaite and Arfvedsonite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-3.14
  
3.3-3.5
  
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Uneven, Brittle, Metallic, Brittle, Metallic
  
Cleavage
Imperfect; basal
  
Perfect on [110]
  
Mohs Hardness
7.5-8
  
5-6
  
Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
  
NaNa2(Fe++4Fe+++)Si8O22(OH)2
  
Pezzottaite and Arfvedsonite Chemical Formula
While comparing Pezzottaite and Arfvedsonite 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 Arfvedsonite chemical formula.
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
- Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
Pezzottaite and Arfvedsonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pezzottaite and Arfvedsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Arfvedsonite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 3.3-3.5 whereas that of Arfvedsonite is 3.3-3.5.