Adularia and Gahnite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.54-2.61
  
4.00-4.62
  
Fracture
Not Available
  
Conchoidal, Uneven
  
Cleavage
Not Available
  
Indistinct parting on [111]
  
Mohs Hardness
6
  
7.5-8
  
Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Adularia and Gahnite Chemical Formula
While comparing Adularia and Gahnite 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 Adularia and Gahnite chemical formula.
- Chemical formula of Adularia- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Adularia and Gahnite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Adularia and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adularia and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Adularia is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.