Apophyllite and Verdelite Physical Properties

Apophyllite and Verdelite Chemical Formula

While comparing Apophyllite and Verdelite 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 Apophyllite and Verdelite chemical formula.

• Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
• Chemical formula of Verdelite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Apophyllite and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.