Amethyst and Bytownite Physical Properties
Tenacity
Not Available
Brittle
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
2.72-2.75
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Indiscernible
Perfect on [001], good on [010], imperfect on [110]
Chemical Composition
SiO2
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Amethyst and Bytownite Chemical Formula
While comparing Amethyst 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 Amethyst and Bytownite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Amethyst and Bytownite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.