Epidote and Brookite Physical Properties
Specific Gravity
3.25-3.50
3.87-4.14
Fracture
Conchoidal, Fibrous
Subconchoidal, Conchoidal
Cleavage
{001} perfect and {100} imperfect
Poor on {120}, in traces on {001}
Chemical Composition
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Epidote and Brookite Chemical Formula
While comparing Epidote and Brookite 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 Brookite 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 Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Epidote and Brookite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Epidote and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Epidote and Brookite Optical Properties during the identification of gemstone. Specific gravity of Epidote is 3.87-4.14 whereas that of Brookite is 3.87-4.14.