Anhydrite and Vesuvianite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Vesuvianite is virtually insolouble in acids
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-2.98
  
3.32-3.43
  
Fracture
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Conchoidal, Brittle
  
Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
  
Poor on {110} and {100} very poor on {001}
  
Mohs Hardness
3.5
  
6-7
  
Chemical Composition
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
  
Not Available
  
Anhydrite and Vesuvianite Chemical Formula
While comparing Anhydrite and Vesuvianite 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 Anhydrite and Vesuvianite chemical formula.
- Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
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Anhydrite and Vesuvianite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Anhydrite and Vesuvianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Vesuvianite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 3.32-3.43 whereas that of Vesuvianite is 3.32-3.43.