Feldspar and Epidote Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.56-2.75
  
3.25-3.50
  
Fracture
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
  
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Fibrous
  
Cleavage
two or three
  
{001} perfect and {100} imperfect
  
Mohs Hardness
6-6.5
  
6-7
  
Chemical Composition
Not Available
  
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Feldspar and Epidote Chemical Formula
While comparing Feldspar and Epidote 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 Feldspar and Epidote chemical formula.
>- Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Feldspar and Epidote Specific Gravity
Another important criteria for qualitative analysis of gemstones is Feldspar and Epidote Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Feldspar and Epidote Optical Properties during the identification of gemstone. Specific gravity of Feldspar is 3.25-3.50 whereas that of Epidote is 3.25-3.50.