Catapleiite and Afghanite Physical Properties

Catapleiite and Afghanite Chemical Formula

While comparing Catapleiite and Afghanite 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 Afghanite chemical formula.

• Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Catapleiite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Catapleiite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Catapleiite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Catapleiite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.