Phosphophyllite and Mellite Physical Properties

Phosphophyllite and Mellite Chemical Formula

While comparing Phosphophyllite and Mellite 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 Mellite 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 Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Phosphophyllite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.