Get a Munchlax with pickup.Then move around and you will (sometime) get a moon stone.
in the underground
You can find them in the Underground.
you can get them in the underground, and they are held by clefairy
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.
Underground or held by lunatone or cleffa
You have to use a moon stone on it for it to evovle.