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  2. plaster of paris, quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry. Known since ancient times, plaster of paris is so called because of its preparation from the abundant gypsum found near Paris.

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  3. en.wikipedia.org › wiki › PlasterPlaster - Wikipedia

    Gypsum plaster (plaster of Paris) Gypsum plaster, also known as plaster of Paris, is a white powder consisting of calcium sulfate hemihydrate. The natural form of the compound is the mineral bassanite. Etymology. The name "plaster of Paris" was given because it was originally made by heating gypsum from a large deposit at Montmartre, a hill in ...

  4. Print. Originally, the term ‘plaster of Paris’ was coined in the 1700s to describe plaster produced from gypsum located outside of Paris. Over time, the term ‘plaster of Paris’ has become the generic term for gypsum-based plaster. Many ancient Egyptian tomb paintings are created on plaster.

  5. Feb 18, 2024 · Key Takeaways: Plaster of Paris is a gypsum-based casting material used for sculpting and creating orthopedic casts. Its ability to harden quickly when mixed with water makes it ideal for various art and craft projects. Plaster of Paris has a long history of use in construction, art, and medicine.

  6. en.wikipedia.org › wiki › PlastererPlasterer - Wikipedia

    [1] History. Early 19th century plasterer at work – painting by John Cranch (1751–1821) Plasterwork is one of the most ancient of handicrafts employed in connection with building operations, the earliest evidence showing that the dwellings of primitive man were erected in a simple fashion with sticks and plastered with mud.

  7. Aug 1, 2012 · The greatest civilization of the ancient world coincided with the greatest understanding and development of plaster. The Romans expanded upon a significant discovery made by the Greeks: the additions of pozzolans to lime would create a plaster that sets in water.

  8. This booklet reviews the history of gypsum plaster in the greater Paris area, how to recognize these facades, typical disorders, and how to restore them. (The cover shows the historical schoolhouse that was the first home of the museum in Cormeilles.)

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