lapis lazuli
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
lazurite, diopside
Preparation Steps
Used as the blue of choice in the Alfonsine manuscripts. In the Rich codex, it was applied as a pure, homogenous layer in backgrounds and frames (p. 279, 280). In the Musicians' codex, Lapidary, and Book of Games, it was mixed with lead white to obtain lighter tones or calcium carbonate (p. 280).
Original Recipe Text
Used as the blue of choice in the Alfonsine manuscripts. In the Rich codex, it was applied as a pure, homogenous layer in backgrounds and frames (p. 279, 280). In the Musicians' codex, Lapidary, and Book of Games, it was mixed with lead white to obtain lighter tones or calcium carbonate (p. 280).
Evidence
"The main blue is prepared with lapis lazuli (natural ultramarine), followed by indigo and, more rarely, azurite."
Remarks
Fluorescence emission bands of diopside were detected alongside lazurite in the Raman spectra (p. 280).
Scientific Analysis
Chemical CompositionNa8[Al6Si6O24]Sn
Analytical Techniques
Raman
Certainty Level
Confirmed
Instrumentally Verified
Verified
Metadata
Material Type
pigment
ColorBlue
RegionCastile
Approx. Year1250
Source Information
TitleThe Colors in Medieval Illuminations through the Magnificent Scriptorium of Alfonso X, the Learned
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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