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