Labradorite and Colemanite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.69-2.72
2.40-2.42
Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
{010} Perfect, {001} Distinct
Chemical Composition
(Na,Ca)1-2Si3-2O8
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Labradorite and Colemanite Chemical Formula
While comparing Labradorite and Colemanite 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 Labradorite and Colemanite chemical formula.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
- Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Labradorite and Colemanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Labradorite and Colemanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Colemanite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 2.40-2.42 whereas that of Colemanite is 2.40-2.42.