Wavellite and Afghanite Physical Properties
Specific Gravity
2.36
2.55-2.65
Fracture
Uneven, Subconchoidal, Fibrous
Conchoidal
Cleavage
[110] perfect, [101] good, [010] distinct
Perfect {10 1 0}
Mohs Hardness
3.5-4
5.5-6
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Wavellite and Afghanite Chemical Formula
While comparing Wavellite and Afghanite 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 Afghanite 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 Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Wavellite and Afghanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wavellite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.