Formula: Rubedo

Formula: Rubedo is an alchemy formula in that is needed to craft rubedo.
It's a possible spawn at a random diagram location or purchased from the following merchants:
* Gremist at Gedyneith
* Merchant in the Perfumery in Beauclair 
* Wine Merchant at Chuchote Cave 
* Wine Merchant at Dun Tynne Hillside 
pl:Receptura: Rubedo
ru:Рецепт: Рубедо
Category:The Witcher 3 alchemy formulae