Ruby dust

|value = 100
|buy = 287-541
|sell = 23-89
|id = Ruby dust}}
Ruby dust is a crafting component in that is needed to craft the following items:
It can be found as regular random loot, random drop from guardians in the , or purchased from the following merchants:
* All armorers and blacksmiths, except the one at Ardaiso Quarry
* 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 
Ruby dust can also be obtained by dismantling almost all items that are crafted with it (except the glyph and runestone), and the following items:
ru:Рубиновая пыль
Category:The Witcher 3 crafting components