Mineral make-up – Part 7: Purple using ultramarine purple

Purples are lovely colours, and you make pretty much any variation you want by using the right iron oxides (well, ultramarines and manganeses) and micas. This week we’re going to focus on purples made with ultramarine purple. (Next week we’ll use manganese violet and the week after that, variations using iron oxide blue, ultramarine pink,…