Staurolite and Microlite Physical Properties
Specific Gravity
3.7-3.8
5.5
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Distinct on {010}
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
7-7.5
5-5.5
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Staurolite and Microlite Chemical Formula
While comparing Staurolite and Microlite 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 Staurolite and Microlite chemical formula.
- Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
- Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Staurolite and Microlite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Staurolite and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Microlite Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 5.5 whereas that of Microlite is 5.5.