MOV File
Online Collections


Term Type

Art & Architecture Thesaurus

Preferred Term



A type of light, malleable plaster made from dehydrated lime (calcium carbonate) mixed with powdered marble and glue and sometimes reinforced with hair. It sets more slowly than regular plaster and so is suitable for crafting sculpture and architectural decoration, external and internal. Differs from most other plasters which are made with calcium sulfate, rather than the calcium carbonate used in stucco, and set much more quickly.

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The Portland Art Museum’s Online Collections site is brought to you thanks to support provided by the State of Oregon through its second Culture, History, Arts, Movies, and Preservation funding program and generous awards from the Institute of Museum and Library Services, the National Endowment for the Humanities, and the National Endowment for the Arts.