Wavellite and Staurolite Physical Properties
Specific Gravity
2.36
3.7-3.8
Fracture
Uneven, Subconchoidal, Fibrous
Subconchoidal, Conchoidal
Cleavage
[110] perfect, [101] good, [010] distinct
Distinct on {010}
Mohs Hardness
3.5-4
7-7.5
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Wavellite and Staurolite Chemical Formula
While comparing Wavellite and Staurolite 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 Wavellite and Staurolite chemical formula.
- Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Wavellite and Staurolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wavellite and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.