Arfvedsonite and Eosphorite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.3-3.5
  
3.05-3.08
  
Fracture
Uneven, Brittle, Metallic, Brittle, Metallic
  
Subconchoidal, Uneven, Conchoidal, Uneven
  
Cleavage
Perfect on [110]
  
Poor on {100}
  
Mohs Hardness
5-6
  
5
  
Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2
  
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Arfvedsonite and Eosphorite Chemical Formula
While comparing Arfvedsonite and Eosphorite 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 Arfvedsonite and Eosphorite chemical formula.
- Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
- Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Arfvedsonite and Eosphorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.