Edenite and White Opal Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.05-3.37
  
1.98-2.50
  
Fracture
Conchoidal, Brittle, Conchoidal
  
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Cleavage
Good on (110)
  
Not Available
  
Mohs Hardness
5-6
  
5.5-6.5
  
Chemical Composition
NaCa2Mg5Si7AlO22(OH)2
  
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
Edenite and White Opal Chemical Formula
While comparing Edenite and White Opal 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 Edenite and White Opal chemical formula.
- Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
- Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Edenite and White Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Edenite and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and White Opal Optical Properties during the identification of gemstone. Specific gravity of Edenite is 1.98-2.50 whereas that of White Opal is 1.98-2.50.