Catapleiite and Ettringite Physical Properties

Catapleiite and Ettringite Chemical Formula

While comparing Catapleiite and Ettringite 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 Catapleiite and Ettringite chemical formula.

• Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Catapleiite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Catapleiite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Catapleiite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Catapleiite is 1.77 whereas that of Ettringite is 1.77.