Glowing ore

Glowing ore is a crafting component in that is needed to craft glowing ore ingot.
It can be found as random loot, in the safe treasure during Novigrad, Closed City, or purchased from the following merchants:
* All armorers and blacksmiths, except the one at Ardaiso Quarry
* Alchemist at the Crematory near Oxenfurt Gate
* Armors and weapons merchants in Nilfgaardian Army Group 'Center' Camp
* Merchant in the boatyard south of Refugees' Camp
* Merchant at Calveit Watchtower
* Merchant at Coast of Wrecks
* Merchant in Ursten
* Merchant by the road west of White Eagle Fort
* Merchant at the sawmill northeast of Rannvaig
* Merchant at the Isolated Hut on Hindarsfjall
* Merchant in Mohrin Village 
* Merchant in Stacheier 
* Ofieri merchant at Upper Mill 
Glowing ore may also be obtained by dismantling dimeritium shackles, glowing ore ingots, almost all witcher gear chest armors and swords (i.e. grandmaster level, but excluding Forgotten Wolf School Gear), and a few more craftable swords whose diagrams are found in Toussaint (those that have "Serpent" in their item IDs).
ru:Святящаяся руда
Category:The Witcher 3 crafting components
Category:The Witcher 3 relics