Rossmanite and Apophyllite Physical Properties

Rossmanite and Apophyllite Chemical Formula

While comparing Rossmanite and Apophyllite 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 Rossmanite and Apophyllite chemical formula.

• Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
• Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Rossmanite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.