Ettringite and Garnet Physical Properties

Ettringite and Garnet Chemical Formula

While comparing Ettringite and Garnet 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 Garnet chemical formula.

• Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.

Ettringite and Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Garnet Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 3.55-4.33 whereas that of Garnet is 3.55-4.33.