Pectolite and Afghanite Physical Properties

Pectolite and Afghanite Chemical Formula

While comparing Pectolite 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 Pectolite and Afghanite chemical formula.

• Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
• Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Pectolite and Afghanite Specific Gravity

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