Ettringite and Helenite Physical Properties

Ettringite and Helenite Chemical Formula

While comparing Ettringite and Helenite 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 Ettringite and Helenite chemical formula.

• Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
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Ettringite and Helenite Specific Gravity

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