Labradorite and Cordierite Iolite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.69-2.72
2.56-2.66
Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Not Available
Mohs Hardness
6-6.5
7-7.5
Chemical Composition
(Na,Ca)1-2Si3-2O8
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Labradorite and Cordierite Iolite Chemical Formula
While comparing Labradorite and Cordierite Iolite 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 Cordierite Iolite chemical formula.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
- Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Labradorite and Cordierite Iolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Labradorite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.