lapis lazuli, azurite, enamel blue (glass with cobalt)
Spain
11th Century
Source: Restaurator 28: 76–106 © 2008 Saur, Munich etc.
Recipe Details
Ingredients
lapis lazuli, azurite, cobalt, glass, gum arabic
Preparation Steps
Enamel blue is described as glass with cobalt. Lapis lazuli contains sodium and aluminium silicates with sulphur and calcium (p. 99).
Original Recipe Text
Enamel blue is described as glass with cobalt. Lapis lazuli contains sodium and aluminium silicates with sulphur and calcium (p. 99).
Evidence
"blue: lapis lazuli (sodium and aluminium silicates, with sulphur and calcium), azurite (basic copper carbonate), enamel blue (glass with cobalt)"
Remarks
Table 6 shows Ms. 10 blue contains K, Fe, Cu, Na, Al, Si, S, Ca, Co, As, which is consistent with smalt/enamel blue (p. 98).
Scientific Analysis
Chemical Compositionbasic copper carbonate
Analytical Techniques
Raman
SEM-EDX
Certainty Level
Confirmed
Instrumentally Verified
Verified
Metadata
Material Type
pigment
BinderAcacia gum
ColorBlue
RegionSpain
Approx. Year1050
Source Information
AuthorRestaurator 28: 76–106 © 2008 Saur, Munich etc.
CollectionMs. 10, Ms. 19
Language
N/A
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