Pearl and Anorthite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.60-2.85
  
2.77
  
Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
  
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Cleavage
none
  
Perfect [001] good [010] poor [110]
  
Mohs Hardness
2.5-4.5
  
6-6.5
  
Chemical Composition
Not Available
  
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Pearl and Anorthite Chemical Formula
While comparing Pearl and Anorthite 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 Pearl and Anorthite chemical formula.
>- Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Pearl and Anorthite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pearl and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.77 whereas that of Anorthite is 2.77.