orcein purple

Castile
13th Century
Source: Vieira, M.; Melo, M.J.; Nabais, P.; Lopes, J.A.; Lopes, G.V.; Fernández, L.F. (2024). The Colors in Medieval Illuminations through the Magnificent Scriptorium of Alfonso X, the Learned. Heritage, 7(1), 272-300.
Recipe Details

Ingredients

lichen species

Preparation Steps

Identified as pen-flourished motifs decorating initials in the third treatise of Lapidary (p. 291). These motifs do not appear in other treatises or manuscripts within the Alfonsine corpus, suggesting a potentially later completion chronology for this specific section (p. 291).

Original Recipe Text

Identified as pen-flourished motifs decorating initials in the third treatise of Lapidary (p. 291). These motifs do not appear in other treatises or manuscripts within the Alfonsine corpus, suggesting a potentially later completion chronology for this specific section (p. 291).

Evidence

"Orcein purple was possibly also found in the third part of Lapidary."

Remarks

Extracted from various lichen species; its presence distinguishes the third part of the Lapidary manuscript from the others (p. 275, 291).

Scientific Analysis
Analytical Techniques
fiber-optics reflectance spectroscopy
Certainty Level
Probable
Instrumentally Verified
Verified
Metadata
Material Type
pigment
ColorPurple
RegionCastile
Approx. Year1250
Source Information
AuthorVieira, M.; Melo, M.J.; Nabais, P.; Lopes, J.A.; Lopes, G.V.; Fernández, L.F.
CollectionRoyal Library of the El Escorial Monastery
Language
N/A
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