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