Mineral | Metavivianite | Fe3(PO4)2ยท8H2O (oxidized) | Phosphate
Metavivianite forms when vivianite oxidizes, producing darker colors and harder textures. Occurs in bog iron deposits and reducing sediments.
Metavivianite Displays These Colors
Blue | Green | Black
Metavivianite is Found in These Surrounding States
Ohio | Indiana | Kentucky | West Virginia | Pennsylvania | Michigan