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