[rdonj]

For example, it works with the bow of war. It does not, however, work with blowpipes. Here is the full list of fiery ranged weapons (note that the bow of war is the only magic item listed as having a specific fiery form):

Fire Arbalest
Fire Bola
Fire Boulder
Fire Boulder
Fire Bow of War
Fire Chakram
Fire Composite Bow
Fire Crossbow
Fire Flare
Fire Javelin
Fire Long Bow
Fire Short Bow
Fire Shuriken
Fire Sling
Fire Small Bow

For this and other interesting information, such as what all units are considered to be made of stone for example, DOWNLOAD EDI'S DATABASE. No one can tell you all of this stuff off the top of their head, but the database can!