2026-09-25T00:17:44+01:001https://marinefinds.org.uk/datalabs/terminology/material/id/46/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/material/id/46/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/material/id/4646Mortar or plaster11257<p>Any type of object made from mortar or plaster (mostly used in building contexts). <span>Plasters can be made from lime or gypsum and are quite pure, or mixed with hair.  Mortars can again be lime-based or gypsum-based but have sand or other hard inclusions.</span></p>212013-07-18 09:11:012003-04-01 12:00:0012010-07-09 14:54:0956