Fluorapatite and Holmquistite Physical Properties

Fluorapatite and Holmquistite Chemical Formula

While comparing Fluorapatite and Holmquistite 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 Fluorapatite and Holmquistite chemical formula.

• Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
• Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Fluorapatite and Holmquistite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Holmquistite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Holmquistite Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 2.95-3.13 whereas that of Holmquistite is 2.95-3.13.