Grandidierite and Wulfenite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.00
6.50-7.00
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Irregular, Brittle, Conchoidal
Cleavage
Perfect
On {011}, distinct; on {001}, {013}, indistinct
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Grandidierite and Wulfenite Chemical Formula
While comparing Grandidierite 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 Grandidierite and Wulfenite chemical formula.
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
- Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Grandidierite and Wulfenite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grandidierite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.