Peridot and Gaylussite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
decomposes in water
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.54-1.55
  
1.93-1.99
  
Fracture
Conchoidal
  
Conchoidal, Conchoidal, Brittle
  
Cleavage
Poor
  
perfect [110]
  
Mohs Hardness
6.5-7
  
2.5
  
Chemical Composition
(Mg,Fe)2SiO4
  
Na2Ca(CO3)2•5(H2O)
  
Peridot and Gaylussite Chemical Formula
While comparing Peridot and Gaylussite 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 Peridot and Gaylussite chemical formula.
- Chemical formula of Peridot- (Mg,Fe)2SiO4
- Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)
Peridot and Gaylussite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Peridot and Gaylussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Gaylussite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 1.93-1.99 whereas that of Gaylussite is 1.93-1.99.