A blue, green or colourless mineral of monoclinic crystals, Fe{3}(PO{4}){2}·8(H{2}O)
vivianite
Pronunciation
Etymology
() Named after its discoverer English mineralogist J. G. Vivian in 1817.Richard V. Gaines, H. Catherine W. Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig: Dana's new mineralogy, John Wiley & Sons, 1997