You can find a water stone by mining in the magma caverns. To mine, you need a mining pick which you can buy from the shop in health village. Mining is random so you might want to save before you start mining. To mine, simply push "A" while facing a wall inside a cave. Fire stones are found in Acqua Mines and thunder stones are found in mound cave.
You get water stones from Kurt's house which is to the West of Mossdeep City. Each water stone costs 4 blue shards.
Ralts evolves at level 20 to Kirlia. At level 30 a girl Kirlia will evolve to Gardevoir
wynaut
Different stones are used for making the same Pokemon type evolve!
to evolve panpour which you get in the dream yard if you chose snivy as your starter but if you chose a different starter you get a different monkey (panpour, pansear and pansage) and will have a chance to get the stone to evolve it.
Thunder stones, Water stones, Fire stones, Leaf stones, Shiny stones, Dusk stones, Oval stones, Moon stones, Sun stones.
Water stones evolve: -Eevee -Lombre -Poliwhirl -Shellder -Staryu -Panpour
You have to dig underground.
The Underground
Water stones make certain types of Pokemon evolve. Don't ask me which kind, I don't know
shiny leaf thunder fire dusk dawn water and sun stones
Well you can't really get 2 unless you have 2 ds's and have Pokemon diamond bcuz then you could just send up two pokemon that are holding water stones
fire water and thunder fire water and thunder
Well, this may not be helpful, but Fire stones evolve some fire Pokemon... Sun stones also evolve fire Pokemon, (Fire stone, Thunder stone and Water stone also evolve "Eevee", the Pokemon you get after completing sinnoh dex.
Here are SOME stones: dawn dusk leaf fire sun water oval stone everstone (prevents Pokemon from evolving) moon thunder these are all of the stones i know about.
to evolve certain water type pokemon. Go here: serebii.net and here: clover.top-forum.net Zygloman
You can buy water stones in the Pokeathlon with your points.