Emerald and Bytownite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
2.72-2.75
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Imperfect on the [0001]
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
7.5-8
6-6.5
Chemical Composition
Be3Al2SiO6
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Emerald and Bytownite Chemical Formula
While comparing Emerald and Bytownite 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 Emerald and Bytownite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Emerald and Bytownite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.
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