Purpurite and Wavellite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
insoluble
Durability
Not Available
Not Available
Specific Gravity
3.2-3.4
2.36
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous
Cleavage
[100] [001] perfect
[110] perfect, [101] good, [010] distinct
Mohs Hardness
4-4.5
3.5-4
Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Purpurite and Wavellite Chemical Formula
While comparing Purpurite 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 Purpurite and Wavellite chemical formula.
- Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) 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
Purpurite and Wavellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Purpurite and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 2.36 whereas that of Wavellite is 2.36.