you can get them in the underground, and they are held by clefairy
in the underground
You can find them in the Underground.
Get a Munchlax with pickup.Then move around and you will (sometime) get a moon stone.
Go undergrond dig up treasurs and sometimes you will find a stone.
inside a dialga once you relese it you will find it
You have to find one in a cave using your explores kit
cleffa and clefairy hold it 5 percent of the time
mt cornet
To find a shiny stone in platinum you have to dig in the underground tunnel.
there is no such thing as a moon shard.you are probably talking about a moon stone.
You have to use a moon stone on it for it to evovle.
You have to get the Moon stone.