Amethyst and Epidote Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
3.25-3.50
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Fibrous
Cleavage
Indiscernible
{001} perfect and {100} imperfect
Chemical Composition
SiO2
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Epidote Chemical Formula
While comparing Amethyst 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 Amethyst and Epidote chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Epidote Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Epidote Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Epidote Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.25-3.50 whereas that of Epidote is 3.25-3.50.