When you get there Groudon and Kyogre should be fighting so what you have to do then is go to Pacific log town and find Sky pillar, Once in Sky pillar go to the very top were you'll find Raquazza, once Raquazza leaves head back to Sootopolis to fight the gym leader and get the HM waterfall so you can go to the Elite four WOOT
Chat with our AI personalities
When you go into the Cave of Orgin in stooplis city there should be a pokeball in a corner
to the 8th gym :p but seriosly i think u go to stooplis meaning u have to go under water about west form mosdeep
its not an emerald its RAYQUAZA the main legendary Pokemon in Pokemon emerald.
The coast emerald is called emerald cuz it is green and emeralds are green.
Emerald ore is 129. Emerald block is 133. Emerald stone is 388.