Prospecting is a Jewelcrafter ability that allows them to turn a stack of five raw ore into precious gems. Only common ores (not green-quality or quest ores) can be prospected. Note that, unlike disenchanting, you cannot gain skill from prospecting.
Prospecting ore will always result in some type of powder] and a green-quality gem. There is also a chance to obtain an additional green-quality gem, or a blue-quality gem from ore in (WoW).">The type of gem obtained always includes what can be mined from a node of that ore, with the exception that prospecting [http://wow.allakhazam.com/db/item.html?witem=10620;source=live Thorium Ore will not result in an [http://wow.allakhazam.com/db/item.html?witem=12363;source=live Arcane Crystal.