Chlorastrolite and Labradorite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.1-3.5
2.69-2.72
Fracture
Granular
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Cleavage
Not Available
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Chemical Composition
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
(Na,Ca)1-2Si3-2O8
Chlorastrolite and Labradorite Chemical Formula
While comparing Chlorastrolite 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 Chlorastrolite and Labradorite chemical formula.
- Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
Chlorastrolite and Labradorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.