Viridine and Topaz Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.05-3.21
  
3.49-3.57
  
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
Not Available
  
[001] Perfect
  
Mohs Hardness
7-7.5
  
8
  
Chemical Composition
(Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)
  
Al2SiO4(F,OH)2
  
Viridine and Topaz Chemical Formula
While comparing Viridine and Topaz 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 Viridine and Topaz chemical formula.
- Chemical formula of Viridine- (Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)
- Chemical formula of Topaz- Al2SiO4(F,OH)2
Viridine and Topaz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Viridine and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Viridine and Topaz Optical Properties during the identification of gemstone. Specific gravity of Viridine is 3.49-3.57 whereas that of Topaz is 3.49-3.57.