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of pages from illuminated manuscripts an illuminated manuscript is a manuscript in which the text is supplemented with such decoration as initials , borders ( marginalia ), and miniature illustrations . in the strictest definition, the term refers only to manuscripts decorated with either gold or silver
insects. chemical- and mineral-based colors, including: red lead , chemically lead tetroxide , pb o , found in nature as the mineral minium , or made by heating white lead; vermilion , chemically mercury sulfide , hgs, and found in nature as the mineral cinnabar ; rust , chemically hydrated ferric oxide...
https://en.wikipedia.org/wiki/Illuminated_manuscript