Pyrophyllite and Hydrophane Physical Properties

Pyrophyllite and Hydrophane Chemical Formula

While comparing Pyrophyllite and Hydrophane 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 Pyrophyllite and Hydrophane chemical formula.

• Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Hydrophane- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Pyrophyllite and Hydrophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Hydrophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Hydrophane Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 1.98-2.50 whereas that of Hydrophane is 1.98-2.50.