Bytownite and Labradorite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.72-2.75
2.69-2.72
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Cleavage
Perfect on [001], good on [010], imperfect on [110]
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Mohs Hardness
6-6.5
6-6.5
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
(Na,Ca)1-2Si3-2O8
Bytownite and Labradorite Chemical Formula
While comparing Bytownite and Labradorite 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 Labradorite 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 Labradorite- (Na,Ca)1-2Si3-2O8
Bytownite and Labradorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bytownite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Bytownite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.