Found those Blueprints Blueprint'/Game/PrimalEarth/CoreBlueprints/Weapons/PrimalItem_WeaponStonePick.PrimalItem_WeaponStonePick' Almost the same as ark, but you just gotta fiddle with the names a bit

Someone just posted the spawn codes in another thread, https://arkserverapi.com/threads/atlas-blueprints.865/unread