Datolite and Peridot Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-3.00
  
1.54-1.55
  
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
  
Conchoidal
  
Cleavage
None
  
Poor
  
Mohs Hardness
5-5.5
  
6.5-7
  
Chemical Composition
CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
(Mg,Fe)2SiO4
  
Datolite and Peridot Chemical Formula
While comparing Datolite and Peridot 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 Datolite and Peridot chemical formula.
- Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Peridot- (Mg,Fe)2SiO4
Datolite and Peridot Specific Gravity
Another important criteria for qualitative analysis of gemstones is Datolite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Datolite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.