Bytownite and Elbaite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.72-2.75
2.90-3.10
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Perfect on [001], good on [010], imperfect on [110]
Poor/indistinct on {1120} and {1011}
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
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
Bytownite and Elbaite Chemical Formula
While comparing Bytownite and Elbaite 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 Bytownite and Elbaite chemical formula.
- Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- 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
Bytownite and Elbaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bytownite and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Bytownite is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.