Emplaced on a white matrix are a few, lustrous, dark green-blue, vivianite crystals, to 1.5 cm in length. The largest crystal is tabular to bladed, unlike those from the other specimens, which are mostly prismatic. This looks more like a Bolivian vivianite, but on a Florida matrix of phosphates. A significant Florida and US vivianite. These were mined in the mid-1980s by the mine geologist and kept in his collection until we bought the lot, last year. very large locality crystal!