Wavellite and Gahnite Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.36
4.00-4.62
Fracture
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous
Conchoidal, Uneven
Cleavage
[110] perfect, [101] good, [010] distinct
Indistinct parting on [111]
Mohs Hardness
3.5-4
7.5-8
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Wavellite and Gahnite Chemical Formula
While comparing Wavellite and Gahnite 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 Gahnite 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 Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Wavellite and Gahnite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wavellite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.