Crystal Onix by lightmike on DeviantArt

What WAS Crystal Onix?

Pokémon Era Black: Attack Dex - Crystal Onix

Dr. Lava on X: Anime-Exclusive Pokemon: Crystal Onix Crystal Onix made his one and only appearance in a 1999 anime episode. Fans have long begged for him to appear in a game

Pixel-Art of the (sadly not shiny) Crystal Onix

ONIX DE CRISTAL e novas premiações na Liga GO? Data Mining 0.169.0!

Pokémon Onix de cristal

Crystal Onix

Onix #95 - FusionDex

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

Pokémon Quatro vezes que o anime adiantou futuro dos jogos - Canaltech