Magical Crystal Chunks are glowing blue crystals that can be used to forge Mystical Enhancement Ores. Here is where you can find all the magic crystal pieces in Teyvat.
Talk to Wagner, the blacksmith at the entrance, and select Tips for finding ore in Monstadt? He will then mark certain areas on the map with rich ore reserves, where you can farm magic crystal chunks.
Alternatively, you can find all Magical Crystal Pieces in Monstadt below.
Talk to Master Zhang, a blacksmith located on the east dock of Liyue Port, and select the About Liyue Mining Products… option. He will then mark some areas on the map with rich ore reserves, where you can farm magic crystal pieces.
Alternatively, you can find all Magical Crystal Pieces in Liyue below.
Related: Genshin Impact: Where to Find Crystal Chunks
Plaine de Bishui, Minlin, Estuaire de Qiongji
Lisha, Sea of Clouds
Talk to Hajime, a blacksmith disciple at Hanamizaka in Inazuma City, and select the option Do you have any information about Inazuman's ores? He will then mark certain areas on the map with rich ore reserves, where you can farm magic crystal chunks.
Alternatively, you can find all of the Magical Crystal Pieces in Inazuma below.
Narukami Island and Seirai Island
Kannazuka, Yashiori Island and Watatsumi Island
How to Use Magic Crystal Chunks
Players can approach any blacksmith or forge table in the Serenitea Pot to craft x6 Mystical Enhancement Ore with x3 Magic Crystal Piece, x100 Mora, and x10 Original Resin.
Although this recipe is more expensive than the others due to the resin cost, it gives you 50 Adventure EXP per instance, which can be useful for quickly using up your resin on days when you're too busy to play the game. .
Check out our guide on Where to farm Electro Crystal in Genshin Impact to find another ore with rare use cases.