Epidote and Aegirine Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.25-3.50
  
3.50-3.60
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Fibrous
  
Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
  
Cleavage
{001} perfect and {100} imperfect
  
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
  
Mohs Hardness
6-7
  
6
  
Chemical Composition
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
  
Epidote and Aegirine Chemical Formula
While comparing Epidote and Aegirine 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 Epidote and Aegirine chemical formula.
- Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Epidote and Aegirine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Epidote and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Epidote and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Epidote is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.