| MANTEL | A structure of wood, marble, or stone above and around a fireplace |
| VEINS | Streaks in wood, marble or cheese; or. natural subterranean watercourses (5) |
| GRAIN | Structure of wood |
| VEIN | A streak of a different colour in wood, marble etc (4) |
| AIR | Space above and around (3) |
| LATTICES | Structures of wood or metal crossed and fastened together with open spaces between (8) |
| MOSAIC | A method of creating designs or pictures from small tesseral pieces of multicoloured ceramic, glass, marble or stone; a work of this kind; or, any kaleidoscopic or variegated pattern (6) |
| TERRAZZO | A floor or wall finish made by setting marble or stone chips into a layer of mortar and polishing the surface (8) |
| PURBECK | -- marble or stone, fossil-rich limestone (7) |
| SCULPTOR | One who casts bronze from a ceramic investment in the "cire perdue" or "lost wax" method; or, a carver of marble or wood (8) |
| PEEWEE | From Scots for "little, tiny", word for a small child, mini toy marble or other diminutive person/thing; or, one of the onomatopoeic epithets of a lapwing, magpie lark or tyrant flycatcher (6) |
| BUTTRESS | A structure of brick or stone built against a wall to support it (8) |
| PARAGON | A model of excellence; a perfect diamond; an old word for a black marble; or, camlet for dressmaking or upholstery (7) |
| INGOT | Amount of metal moulded into and around a key |
| OARS | Takes a boat overseas and around a river (4) |
| TOTEM | And 20Dn. Tom Peel to transform a structure of some charm (5,4) |
| DEMOCRATIC | Funny comedic art is systematic of a structure of government (10) |
| CAGED | Confined in a structure of bars or wires (5) |
| MANTLEPIECE | Ornamental structure around a fireplace |
| MANTELPIECE | Structure around a fireplace |
