Vivianite and Phosphosiderite Physical Properties

Vivianite and Phosphosiderite Chemical Formula

While comparing Vivianite and Phosphosiderite 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 Vivianite and Phosphosiderite chemical formula.

• Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
• Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Vivianite and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.