Apatite and Anthophyllite Physical Properties

Apatite and Anthophyllite Chemical Formula

While comparing Apatite and Anthophyllite 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 Apatite and Anthophyllite chemical formula.

• Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
• Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Apatite and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.