Malachite and Bytownite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
2.72-2.75
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Perfect on { 2 01} fair on {010}
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
3.5-4
6-6.5
Chemical Composition
Cu2CO3(OH)2
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Malachite and Bytownite Chemical Formula
While comparing Malachite 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 Malachite and Bytownite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Malachite and Bytownite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.