Atacamite and Bytownite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.745-3.776
2.72-2.75
Fracture
Conchoidal, Conchoidal, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Perfect on {010}, fair on {101}
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
3-3.5
6-6.5
Chemical Composition
Cu2Cl(OH)3
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Atacamite and Bytownite Chemical Formula
While comparing Atacamite 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 Atacamite and Bytownite chemical formula.
- Chemical formula of Atacamite- Cu2Cl(OH)3
- Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Atacamite and Bytownite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Atacamite and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.