In Pokémon Black 2, N will give you the Dark Stone after you defeat him in a Pokémon battle within his Castle however you can only battle him in his Castle after you've defeated all 8 Gym Leaders as well as the Elite 4 and the Pokémon League Champion that is known as Iris.
You need a Shiny Stone to evolve into Cinccino.
After Going Through Pinwheel Forest Lenora (2 Gym Leader)Gives You A Moon Stone
You don't give it a stone...
go to the last stair in castellia city and talk to the scientist if you have a samsear he will give you one its if you answer panpour
You go to Castelia City and go to one of the piers (I forget which one, but I think it's the first one.) There will be an old man there and when you talk to him he will ask you to pick one of the monkeys in your party and if you pick Pansear he will give you a Fire stone. If you've already done that, you can give a fire stone to a Pokemon on a different game like Diamond and transfer it.
Pokemon dusk stone can be used to evolve certain dark type Pokemon. Murkrow will evolve into Honchkrow when give a dusk stone to hold.
give it a leaf stone
Vullaby does not evolve with a stone. It evolves when it reaches level 54.
There's somebody on Route 10 who will give you one.
Staryu evolves into Starmie when you give it a Water Stone.
You need a Shiny Stone to evolve into Cinccino.
munna evolves into musharma when you give it a moon stone.
you can find dusk stone's in swirling dust in cave's. (random stones/gems and the mole pokemon) and a veteran, south to a hiker, on route 10 will give you a dusk stone.
It does not evolve by level. You need to give it a sun stone for it to evolve.
you find it near charge stone cave in a house and talk to a little girl and she will give you a shiney stone. Try using th stone on a minccino
She is in a home in driftveil city once you recive it she tells you a pokemon to use it on the next time you talk to her.
After Going Through Pinwheel Forest Lenora (2 Gym Leader)Gives You A Moon Stone