Rockium Z

The Rockium Z (Japanese: イワZ Rock Z) is a type of Z-Crystal introduced in Pokémon Sun and Moon. It is the type-specific Z-Crystal associated with the Rock type and allows Pokémon to upgrade their Rock-type moves to Z-Moves.

Rockium Z
Rock Z
Bag Rockium Z Sprite.png
Rockium Z
Pokémon Global Link artwork
Introduced in Generation VII
Generation VII Bag Z-Crystals pocket icon.png Z-Crystals

In the core series games


Games Cost Sell price


  Bag item

Can create Rockium Z held items for the player's Pokémon.

  Held item

In battle

Allows the holder to upgrade its Rock-type damaging moves to the Z-Move Continental Crush or upgrade its Rock-type status moves into Z-Moves.

Unaffected by item negating effects (such as Embargo and Klutz). Item manipulating effects (such as Trick and Fling) cannot remove a Z-Crystal from a Pokémon.

Multitype changes an Arceus holding this item to its Rock-type form. Rayquaza cannot Mega Evolve if it holds a Z-Crystal.

Outside of battle

A held Rockium Z is automatically removed if the Pokémon is traded between players.

Multitype changes an Arceus holding this item to its Rock-type form.


Bag item

Games Description
SMUSUM It converts Z-Power into crystals that upgrade Rock-type moves to Rock-type Z-Moves.

Held item

Games Description
SMUSUM This is a crystallized form of Z-Power. It upgrades Rock-type moves to Z-Moves.


Games Method
SMUSUM Ruins of Life (from Olivia for defeating her in the Akala Island grand trial)

In the anime

A Rockium Z in the anime

Gladion used his Rockium Z with his Lycanroc to defeat Team Rocket in A Glaring Rivalry!. He obtained it by completing Olivia's grand trial prior to the episode.

Olivia was revealed to have a Rockium Z in The Island Whisperer!.

Ash obtained a Rockium Z from Olivia after completing the Akala Island grand trial in Trials and Determinations!. He first used it with his Lycanroc in Mimikyu Unmasked!. In Beauty is Only Crystal Deep!, the Ultra Guardians used it, along with Ash's Grassium Z, Normalium Z, Solganium Z, and Steelium Z, and Lillie's Icium Z, as bait for a Pheromosa.

A full set of type-specific Z-Crystals, including the Rockium Z, appeared in A Grand Debut!, where Hapu allowed Ash to choose his grand trial prize from them.

A full set of replicas of the type-specific Z-Crystals, including the Rockium Z, appeared in A Team-on-Team Tussle!, where they were shown to Ash and his classmates by Professor Kukui.

In the manga

A Rockium Z in Pokémon Adventures

Pokémon Adventures

Sun, Moon, Ultra Sun & Ultra Moon arc

In Pokémon Move Specialist Professor Kukui, Olivia attempted to use her Rockium Z with her Lycanroc to perform Continental Crush against Nanu's Alolan Persian, but Hala stopped the battle before the move could be executed.

In other languages

Language Title
Chinese Cantonese 岩石Z Ngàahmsehk-Z
Mandarin 岩石Z Yánshí-Z
  Danish Stenium Z
  Dutch Steenium Z
  Finnish Rockium Z
  French Rocazélite
  German Petrium Z
  Italian Petrium Z
  Korean 바위Z Bawi-Z
  Norwegian Rockium Z
  Polish Kamienium Z
Portuguese   Brazil Pedrium Z
Rockium Z (SM031 only)
  Portugal Rochium Z
  Russian Камниум Z Kamnium Z
  Spanish Litostal Z
  Swedish Rockium Z

External links

  This item article is part of Project ItemDex, a Bulbapedia project that aims to write comprehensive articles on all items.