Arfvedsonite and Elbaite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.3-3.5
  
2.90-3.10
  
Fracture
Uneven, Brittle, Metallic, Brittle, Metallic
  
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
Perfect on [110]
  
Poor/indistinct on {1120} and {1011}
  
Mohs Hardness
5-6
  
7
  
Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2
  
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
  
Arfvedsonite and Elbaite Chemical Formula
While comparing Arfvedsonite and Elbaite 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 Elbaite chemical formula.
- Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
- Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Arfvedsonite and Elbaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.