On Isle Aphun you can get the following items
Path for Odd Shard Hunting: Hard Stone, all 4 colors of shards, revives, and star pieces.
Path for Brilliant Stone Hunting: All evolutionary stones, everstones, float stones, light clay, oval stones, and hard stone.
Path for Rare Treasure Hunting: Big nuggets, nuggets, Big pearls, pearls, pearl strings, gold bottlecaps, comet shards, rare bones, and hard stones.
Path for Interesting Item Hunting: Everything in the above paths