Rossmanite and Fluorapatite Physical Properties

Rossmanite and Fluorapatite Chemical Formula

While comparing Rossmanite and Fluorapatite 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 Fluorapatite 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 Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Rossmanite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.