Ettringite and Sonolite Physical Properties

Ettringite and Sonolite Chemical Formula

While comparing Ettringite and Sonolite 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 Sonolite 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 Sonolite- Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)

Ettringite and Sonolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Sonolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Sonolite Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 3.82-4.00 whereas that of Sonolite is 3.82-4.00.