Miniature ought to mean something painted in minium (red lead).
The flux consists of borax, sand, and minium in small quantity.
The term used by him for the mineral is minium nativum (Interpretatio,—bergzinober or cinnabaris).
After being roasted it is pulverized and is minium secundarium.
He takes two pounds of Sal Ammoniac in powder, which he mixes accurately with four pounds of minium.
Perhaps the most interesting experiment made by Hales is the heating of minium (red-lead) with the production of oxygen.
Spanish green was verdigris, and minium was red lead, while ceruse was white lead.
Pliny is somewhat confused over the minium—or the text is corrupt, for this should be the genuine minium of Roman times.
There is in a plain near (these springs) a mountain, which is of a red colour like minium.
The colouring is heavy, painted in opaque tempera pigments with an undue preponderance of minium or red lead.