You must Have Torchick as a Starter then you will get it immediately
Find a moonstone either in a dungeon or in a random Kecleon shop and take the skitty and the stone to luminous spring to evolve it.
NO but you can try the LIGHTNING FIELD dungeon you might find some in there as well as calcium...veronica
You use it to get to Jirachi.
you find it in the corner of the dungeon on level 365
You can find one in blue rescue team by going to Lightning Field then go to the place to evolve with the stone.
29F in Northwind Field a key is required
purity forest
They are found on the 29th floor in Lightning Field.
In blue or red, it's in fiery field.
You may get fire stones from the 29th floor of the dungeon Fiery Field.
BY ****ING YOUR DS
you have to find a dungeon kecleon shop
you can't.its impossible.EDIT: Wrong. You can find a leaf stone as a random prize in paradise or in the DLC dungeon "Skill Treasury"
Fire Stone are found on Fiery Field 29F (the dungeon where you fight Entei). The following rewards a Fire Stone: F?-C 15T? ?X?7 RR?3 +465 1??W
Go to northern field where suicune is at.
I'm not sure but i think you get it by completing an mission