There are a lot of Pokemon that you can evolve with a water stone, but the most common one is from evee to Vaporeon
There is no Pokemon in sinnoh that evolves by a water stone.
you can use a water stone on lombre
poliwhirl evolves into poliwrath with a water stone
you use it on some water type Pokemon to evolve them. example:pikachu+thunder stone example:polywhirl+water stone example:evee+fire stone example:Roselia+sun Stone example:murkrow+dusk stone a ever stone prevents your Pokemon from evolving
Yes, the water stone from Pokemon looks like Sapphire.
The Pokemon that evolve using a water stone: Eevee Starmie Lombre Poliwhirl, too...
you cannot buy a water stone
none , u have to buy the water stone
you use it, assuming you have a Pokemon that requires a water stone to evolve instead of just simply leveling.
A Water Stone evolves a Poliwhirl, Shellder, Staryu, Eevee, and Lombre.
The Water Stone from Pokemon looks like, or rather resembles Topaz.
Sunkern and Gloom use a sun stone Lombre, Staryu, and Eevee use water stones.