Chlorastrolite and Cordierite Iolite Physical Properties

Chlorastrolite and Cordierite Iolite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Cordierite Iolite 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 Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Chlorastrolite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.