Pyrophyllite and Wavellite Physical Properties
Specific Gravity
2.65-2.90
2.36
Fracture
-
Uneven, Subconchoidal, Fibrous
Cleavage
{001} Perfect
[110] perfect, [101] good, [010] distinct
Mohs Hardness
-9999
3.5-4
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pyrophyllite and Wavellite Chemical Formula
While comparing Pyrophyllite and Wavellite 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 Pyrophyllite and Wavellite chemical formula.
- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pyrophyllite and Wavellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.36 whereas that of Wavellite is 2.36.