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