Epidote and Sphalerite Physical Properties
Specific Gravity
3.25-3.50
3.95-4.10
Fracture
Conchoidal, Fibrous
Uneven
Cleavage
{001} perfect and {100} imperfect
{110} Perfect, {110} Perfect, {110} Perfect
Chemical Composition
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Epidote and Sphalerite Chemical Formula
While comparing Epidote and Sphalerite 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 Sphalerite 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 Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Epidote and Sphalerite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Epidote and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Epidote and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Epidote is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.