Crystal Resonator are craftable items used to locate Crystal Temples

Crafts
Crafted from Compass and Amethyst Shards

Crystal Resonator are used to find Crystal Temples in the abyss. They have a special property when hovered, reading Infused with Amethyst or any other crystal it's infused with. Its color reflects the crystal it is infused with. It points toward the temple of the corresponding crystal. To change its infused type, a Crystal Infuser must be used.

Inside the Infuser, place four crystals of its type to infuse any resonator.