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

EP087 - Bulbapedia, the community-driven Pokémon encyclopedia

Curiosidades Pokémon: Onix e Steelix - Pokémothim

Onix de cristal by Endy678 on DeviantArt

Crystal Onix by lightmike on DeviantArt

Cristalonix, Wiki PokemonReloaded

Pokemon Liquid Crystal Version - Episode 53 - Crystal Onix

Mega Crystal Steelix, Pokemon Wack Wiki

Idea to add Crystal Onix from the anime in special research : r/pokemongo

let's see if Crystal Onix would evolve into Crystal Steelix

Crystal Caves e a lenda do Onix de cristal ~ Detonado: Pokémon Liquid Crystal