Ettringite and Falcons Eye Physical Properties

Ettringite and Falcons Eye Chemical Formula

While comparing Ettringite and Falcons Eye 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 Falcons Eye 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 Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)

Ettringite and Falcons Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Falcons Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Falcons Eye Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 2.58-2.64 whereas that of Falcons Eye is 2.58-2.64.