Water Stone Shard
From Pixelmon Wiki
File:Waterstoneore.png
Water Stone Ore
A Water Stone shard is a piece of the Water Stone, an evolution stone used to evolve certain Water-type Pokémon.
Water Stone shards is obtained from Water Stone ore, which can be either be found in deep water or inside Frozen Shrines. The ore looks like sand with blue waves in it. The ore is easy to spot, as it gives off some light.
Nine shards are needed to craft one Water Stone.