anhydrite, anhydrous sulphate of calcium (CaSO4)
Ethiopia
17th Century
Source: Wion, A. (2004). An Analysis of 17th-century Ethiopian Pigments. In: Christian Ethiopian Art.
Recipe Details
Ingredients
limestone, bäha dängay
Preparation Steps
Used in the paint layer of murals. While modern recipes use limestone (bäha dängay), the 17th-century mural samples were identified as anhydrous calcium sulphate (p. 108).
Original Recipe Text
Used in the paint layer of murals. While modern recipes use limestone (bäha dängay), the 17th-century mural samples were identified as anhydrous calcium sulphate (p. 108).
Evidence
"whites in the paint layer are identified as anhydrite or anhydrous sulphate of calcium (CaSo4)."
Remarks
In the manuscript, white is not used alone but mixed with red to produce pink or associated with blue (p. 107-108).
Scientific Analysis
Chemical CompositionCaSO4
Analytical Techniques
Raman microspectrometry
Certainty Level
Confirmed
Instrumentally Verified
Verified
Metadata
Material Type
pigment
ColorWhite
RegionEthiopia
Approx. Year1650
Source Information
AuthorWion, A.
CollectionAbbä Antonios mural paintings
Language
N/A
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