Crafting weapons, ammo, and equipment upgrades requires you to gather a lot of materials in Horizon Forbidden West, but one of the rarer and more important ones is Greenshine. This glowing green mineral is required to upgrade some of the best weapons and armor you can get in the game, taking them from "pretty good" to "absolutely excellent." Trouble is, finding Greenshine isn't exactly easy, and you're going to want a lot of the rare mineral.
Finding Greenshine can be tough, but luckily, there are a few specific locations where you can reliably find some, especially late in the game. Here's what you need to know about where to get Greenshine whenever you need some, and what you can use it to do in the game.
