Peridot and Chalcedony Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.54-1.55
  
2.55-2.70
  
Fracture
Conchoidal
  
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
  
Cleavage
Poor
  
Absent
  
Mohs Hardness
6.5-7
  
6.5-7
  
Chemical Composition
(Mg,Fe)2SiO4
  
SiO2
  
Peridot and Chalcedony Chemical Formula
While comparing Peridot and Chalcedony 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 Chalcedony chemical formula.
- Chemical formula of Peridot- (Mg,Fe)2SiO4
- Chemical formula of Chalcedony- SiO2
Peridot and Chalcedony Specific Gravity
Another important criteria for qualitative analysis of gemstones is Peridot and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.