Anthophyllite and Pyrophyllite Physical Properties

Anthophyllite and Pyrophyllite Chemical Formula

While comparing Anthophyllite and Pyrophyllite 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 Anthophyllite and Pyrophyllite chemical formula.

• Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
• Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Anthophyllite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anthophyllite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.