Ores

Ores can be prospected in all Scaling Normal Dungeons.
You can also get Ores as a reward from Crafting Quests.
Ore's are coming in tiers:

Common Ores can be prospected in Scaling Normal Dungeons on Painful & Excruciating difficulty
Improved Ores can be prospected in Scaling Normal Dungeons on Fatal to Infernal II difficulty
Magic Ores can be prospected in Scaling Normal Dungeons on Infernal III + difficulty

Name	Rarity	Difficulty	Region
Vanadinite	Common Improved Magic	Painful & Excruciating Fatal to Infernal II Infernal III +	Duria
Beryl	Common Improved Magic	Painful & Excruciating Fatal to Infernal II Infernal III +	Teganswall
Chrysocolla	Common Improved Magic	Painful & Excruciating Fatal to Infernal II Infernal III +	Norselands
Galena	Common Improved Magic	Painful & Excruciating Fatal to Infernal II Infernal III +	Helios & Atlantis
Cobalt	Common Improved Magic	Painful & Excruciating Fatal to Infernal II Infernal III +	Myrdosch
Pyrite	Common Improved Magic	Painful & Excruciating Fatal to Infernal II Infernal III +	Lor'Tac
Chalcocite	Common Improved Magic	Painful & Excruciating Fatal to Infernal II Infernal III +	Qaizah