Lafossaite Roberts A C, Venance K E, Seward T M, Grice J D, Paar W H The Mineralogical Record 37 (2006) 165-168 Lafossaite, a new mineral from the La Fossa Crater, Vulcano, Italy Locality: La Fossa Crater, Vulcano, Italy _database_code_amcsd 0018089 3.901 3.901 3.901 90 90 90 Pm3m atom x y z Tl 0 0 0 Cl .5 .5 .5