Cordierite Iolite and Polyhalite Physical Properties

Cordierite Iolite and Polyhalite Chemical Formula

While comparing Cordierite Iolite and Polyhalite 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 Cordierite Iolite and Polyhalite chemical formula.

• Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
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Cordierite Iolite and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 2.78 whereas that of Polyhalite is 2.78.