Achroite and Wulfenite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.40
6.50-7.00
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Irregular, Brittle, Conchoidal
Cleavage
Not Available
On {011}, distinct; on {001}, {013}, indistinct
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Achroite and Wulfenite Chemical Formula
While comparing Achroite 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 Achroite and Wulfenite chemical formula.
- Chemical formula of Achroite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
- Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Achroite and Wulfenite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Achroite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Achroite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.