Onix - 69/109 “Stamped” Reverse Holo - EX Team Rocket Returns – JAB Games13

Onix type, strengths, weaknesses, evolutions, moves, and stats - PokéStop.io

Onix · Unleashed (UL) #56 ‹ PkmnCards

Onix Unleashed, Pokémon

Verified Onix - Base by Pokemon Cards

Pokemon Aquapolis Common Onix #98

Onix (bw9-61) - Pokémon Card Database - PokemonCard

Onix - 103/236 - Common - Reverse Holo - Pokemon Singles » SM11 Unified Minds - Untapped Games

Ah yes, Volcanion's weakness O N I X : r/pokemon

Onix 1999 Pokemon TCG Base Set 1st Edition #56/102 - 1999 - US

So the internet said SALAMENCE type is weak against on onix type