Stonega is the first area effect damage spell that Black Mages get. It does Earth-aligned magical damage to all creatures within range of a specific targeted enemy. Stonega may be purchased from a vendor for 1,346 gil or less depending upon fame.
Stone III appears in Final Fantasy XIV as a White Mage ability and can be learned after completing the "Girl with the Dragon Tissue" level 54 job quest. The ability deals earth-elemental damage with a potency of 210 to a single enemy. The ability has a cast time of 2.5 seconds and a recast time of 2.5 seconds.
In the Japanese version of the game, Stone III is called Stonega.