Selenite and Phosphophyllite Physical Properties

Selenite and Phosphophyllite Chemical Formula

While comparing Selenite and Phosphophyllite 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 Selenite and Phosphophyllite chemical formula.

• Chemical formula of Selenite- CaSO4·2H2O
• Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Selenite and Phosphophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Selenite and Phosphophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Selenite and Phosphophyllite Optical Properties during the identification of gemstone. Specific gravity of Selenite is 3.07-3.13 whereas that of Phosphophyllite is 3.07-3.13.