Wavellite and Covellite Physical Properties
Specific Gravity
2.36
4.6-4.76
Fracture
Uneven, Subconchoidal, Fibrous
-
Cleavage
[110] perfect, [101] good, [010] distinct
Perfect on {0001}
Mohs Hardness
3.5-4
-9999
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Wavellite and Covellite Chemical Formula
While comparing Wavellite and Covellite 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 Covellite 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 Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Wavellite and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wavellite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.