Phosphophyllite and Steatite Physical Properties

Phosphophyllite and Steatite Chemical Formula

While comparing Phosphophyllite and Steatite 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 Phosphophyllite and Steatite chemical formula.

• Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

Phosphophyllite and Steatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Steatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Steatite Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 2.20-2.80 whereas that of Steatite is 2.20-2.80.