Natrolite and Peridot Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.20-2.26
  
1.54-1.55
  
Fracture
Uneven, Brittle, Metallic, Gemstones (2009)
  
Conchoidal
  
Cleavage
Perfect on {110}
  
Poor
  
Mohs Hardness
5-5.5
  
6.5-7
  
Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
(Mg,Fe)2SiO4
  
Natrolite and Peridot Chemical Formula
While comparing Natrolite 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 Natrolite and Peridot chemical formula.
- Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Peridot- (Mg,Fe)2SiO4
Natrolite and Peridot Specific Gravity
Another important criteria for qualitative analysis of gemstones is Natrolite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.