Crystal Onix by lightmike on DeviantArt

Onix Pokédex: stats, moves, evolution & locations

Crystal Onix and Crystal Steelix Custom Variants! : r/PokemonROMhacks

Pokemon Crystal Onix 60

10 Unique Pokémon Variants That Only Exist In The Anime

Crystal Onix Theory : r/pokemonanime

Pokemon Crystal Onix

I always loved crystal onix and was sad there was no official card so I got this custom made one instead : r/PokemonTCG

Is anyone else still sad that we didn't finally get Crystal Onix by having an Alolan Onix that was Ice type? - 9GAG

Water terastal cristal onix by EVcreation on DeviantArt

Crystal Onix by TerraNova2489 on DeviantArt