Crystal: Vivianite Chemical Composition: Fe2+3(PO4)2 · 8H2O Detail: Vivianite is a phosphate mineral that forms in highly aesthetic, sharply coloured crystals and often forms with organic material such as shells and fossils. Vivianite will darken upon exposure to light. Origin: Argentina
Crystal: Vivianite Chemical Composition: Fe2+3(PO4)2 · 8H2O Detail: Vivianite is a phosphate mineral that forms in highly aesthetic, sharply coloured crystals and often forms with organic material such as shells and fossils. Vivianite will darken upon exposure to light. Origin: Argentina
