Type chart / Rock
Rock Rock type in Gen 3
Rock moves are physical in Generation 3, so they use the Attack and Defense stats.
When Rock attacks
No effect on
Nothing
When a Rock Pokemon defends
Dual-typed Pokemon multiply both types, so a double weakness is 4× damage.
Golem
Omastar
Kabutops
Aerodactyl
Shuckle
Tyranitar
Aggron
Cradily
Armaldo
Relicanth