Agate Opal and Adularia Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.50
  
2.54-2.61
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Not Available
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
5.5-6.5
  
6
  
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Agate Opal and Adularia Chemical Formula
While comparing Agate Opal and Adularia 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 Agate Opal and Adularia chemical formula.
- Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Adularia- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Agate Opal and Adularia Specific Gravity
Another important criteria for qualitative analysis of gemstones is Agate Opal and Adularia Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate Opal and Adularia Optical Properties during the identification of gemstone. Specific gravity of Agate Opal is 2.54-2.61 whereas that of Adularia is 2.54-2.61.