Elbaite and Anglesite Physical Properties
Specific Gravity
2.90-3.10
6.30-6.39
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Poor/indistinct on {1120} and {1011}
[001] good, [210] distinct
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Elbaite and Anglesite Chemical Formula
While comparing Elbaite and Anglesite 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 Elbaite and Anglesite chemical formula.
- Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
- Chemical formula of Anglesite- PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Elbaite and Anglesite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Elbaite and Anglesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Anglesite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 6.30-6.39 whereas that of Anglesite is 6.30-6.39.