Sphalerite and Brookite Physical Properties
Specific Gravity
3.95-4.10
3.87-4.14
Fracture
Uneven
Subconchoidal, Conchoidal
Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
Poor on {120}, in traces on {001}
Mohs Hardness
3.5-4
5.5-6
Chemical Composition
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Sphalerite and Brookite Chemical Formula
While comparing Sphalerite 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 Sphalerite and Brookite chemical formula.
- Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Sphalerite and Brookite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sphalerite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.