Ruby Zoisite and Afghanite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
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Not Available
  
Specific Gravity
Not Available
  
2.55-2.65
  
Fracture
Not Available
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
  
Cleavage
Not Available
  
Perfect {10 1 0}
  
Mohs Hardness
6.5-9
  
5.5-6
  
Chemical Composition
Not Available
  
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
  
Ruby Zoisite and Afghanite Chemical Formula
While comparing Ruby Zoisite and Afghanite 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 Ruby Zoisite and Afghanite chemical formula.
>- Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Ruby Zoisite and Afghanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ruby Zoisite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby Zoisite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Ruby Zoisite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.