a hard crystalline metamorphic form of limestone, typically white with coloured mottlings or streaks, which may be polished and is used in sculpture and architecture
a large arch with three gateways at the NE corner of Hyde Park in London. Designed by John Nash, it was erected in 1827 in front of Buckingham Palace and moved in 1851 to its present site
a hard spherical gall which forms on the common oak in response to the developing larva of a gall wasp
marble having irregular markings said to resemble the outline of ruins
a hard limestone from Purbeck in Dorset, which is polished and used for decorative parts of buildings, fonts, and effigies