Caput mortuum (pigment)
Caput mortuum (
Latin for 'dead head', and variously spelled caput mortum or caput mortem), also known as cardinal purple, is the name given to a purple variety of haematite iron oxide pigment, used in oil paints and paper dyes. Due to the cultural significance of its deep purple colour, it was very popular for painting the robes of religious figures and important personages (e.g. art patrons), with its popularity peaking in the 18th and 19th centuries.[1][2]
The name for this pigment may have come from the alchemical usage, since iron oxide (rust) is the useless residue (
References
- ^ "Caput Mortuum, An Earthy Brown Made of Bodies (or Minerals!)". The Awl. Retrieved 2022-12-27.
- PMID 12022655.
- ISBN 1-873132-91-3.
- S2CID 225140429.
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