=2 X-ray Powder Pattern: Avant claim, Arkansas, USA. 11.94 (10), 22.0 (8), 3.3452 (5),4.897 (4), 6.921...Dobrotiva (St. Benigna), Czech Republic. (2) Eleonore mine, Germany. 06(P04)17(OH)12' 75H20. Occurrence: Fe...soils. Dufrenite, rockbridgeite, beraunite, strengite, wavellite, magnetite, (3) Fe24Al iron ores;...small amounts. In the Czech Republic, from the Hrbek mine, Svata Dobrotiva (St. Benigna); at Tfenice; from...Ireland. At Kiruna, Sweden. In the USA, from the Palermo #1 mine, near North Groton, Grafton Co., New |