Vivianite and Wulfenite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.64-2.70
6.50-7.00
Fracture
(e.g. graphite).
Irregular, Brittle, Conchoidal
Cleavage
{010} Perfect
On {011}, distinct; on {001}, {013}, indistinct
Mohs Hardness
Not Available
3
Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Vivianite and Wulfenite Chemical Formula
While comparing Vivianite and Wulfenite 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 Vivianite and Wulfenite chemical formula.
- Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
- Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Vivianite and Wulfenite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Vivianite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.