in 3 place: Mt. Moon Rocket Hideout Wild Clefairy (might be holding one)
You can find the moon stone in Harvest Moon Magical melody in the Cave. (I don't believe that their are moon stones in the underground lake, but hey it is wroth a shot.)
yesYes
You can find moon stones underground or you have a possibility to find one on a cleffa and clefairy. I hope that helped a little!
Yes, there are fire stones, thunder stones, leaf stones, and even sun stones
Thunder stones, Water stones, Fire stones, Leaf stones, Shiny stones, Dusk stones, Oval stones, Moon stones, Sun stones.
stones and things like that I think
by mining.
Moon Stones are evolutionary stones that help certain Pokemon evolve. In Pokemon Emerald, these stones can only be found on wild Lunatone which may be captured in Meteor Falls.
You can get one in mount moon and just look around for the others
evolve nidorina and nidorino
go to mt moon there is no lightning stones.
you can get more shiny stones underground like fire, leaf, water, moon and lightning stones, but some stones need specific places underground.