Bytownite and Caledonite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.72-2.75
5.6-5.76
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
Cleavage
Perfect on [001], good on [010], imperfect on [110]
[001] perfect; [100] distinct
Mohs Hardness
6-6.5
2.5-3
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Bytownite and Caledonite Chemical Formula
While comparing Bytownite and Caledonite 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 Caledonite 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 Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Bytownite and Caledonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bytownite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Bytownite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.