Items, NPCs, quests, objects and spells of patch 1.12.1, read live from the realm itself.

Unrefined Ore Sample

NPC	Level	Zone	Chance
Gravelsnout Surveyor	29 - 30	Thousand Needles	53.0%
Gravelsnout Digger	28 - 29	Thousand Needles	48.0%
Gibblesnik Rare	28	Thousand Needles	18.0%