Crystal Onix, Pokecentral Network

The Crystal Onix line was created by Wispen for the Hierloom egg contest and added on the 9th of August 2019 in the form of Hierloom eggs. It is currently available in Hierloom eggs from the store and can also be obtained by trading or buying from other players on the server.

Pokémon - Pokemon: Legendary Adventures, Page 4

Pokemon Naranja Episode 7: Crystal Onix

FireRed hack: - Pokémon Adventure - Red Chapter NEW BETA + EXPANSION

Crystal Onix, Pokecentral Network

Gemstone Rayquaza, Pokecentral Network

You should definitely check out Pokemon Crystal Legacy : r/pokemoncrystal

Pokemon Trainer and his Crystal Onix : r/pokemon

Pokémon - Pokemon: Legendary Adventures, Page 4

The figure has the details shown in its 3D preview.

Pokémon - (095) Crystal Onix

Pokecentral - Pixelmon - Technic Platform

Wasn't expecting to catch a crystal onix today! I don't know how rare these new forms are but I love my grumpy blue rock lady a lot : r/PixelmonMod