Iolite and Sphene Physical Properties

Iolite and Sphene Chemical Formula

While comparing Iolite and Sphene 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 Iolite and Sphene chemical formula.

• Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
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Iolite and Sphene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Sphene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Sphene Optical Properties during the identification of gemstone. Specific gravity of Iolite is Not Available whereas that of Sphene is Not Available.