Lawsonite and Sinhalite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.09
  
3.46-3.50
  
Fracture
White, Yellow, Pale blue, Brittle, Uneven
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Cleavage
Perfect on {100} and {010}, imperfect on {101}
  
Not Available
  
Mohs Hardness
8
  
6-7
  
Chemical Composition
Not Available
  
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Lawsonite and Sinhalite Chemical Formula
While comparing Lawsonite and Sinhalite 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 Lawsonite and Sinhalite chemical formula.
>- Chemical formula of Sinhalite- MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Lawsonite and Sinhalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Lawsonite and Sinhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lawsonite and Sinhalite Optical Properties during the identification of gemstone. Specific gravity of Lawsonite is 3.46-3.50 whereas that of Sinhalite is 3.46-3.50.