Blue Phosphosiderite
2.27 ct
Trillion Cut
9.20 x 9.10 x 5.00 mm
Portugal
w455

Phosphosiderite

A quite new material composed by phosphorous and iron oxide. The formula is

FePO4 · 2H2O. The color is natural and has not been stabilized like the most of material in the market.. The hardness is 5-5.5 similar to turquoise.

This material comes from Folgosinho ,Portugal