I5
| Reference | I5 |
| NAME | Cat Castle |
| TYPE | Sandstone |
| GEOLOGY | Upper Carboniferous. Coal Measures |
| COUNTY | Durham |
| COLOUR | Buff/grey |
| TEXTURE | Medium to coarse grained grit |
| BLOCK SIZE LXBXH (mm) | 3000x1000mm |
| SUITABILITY | Ashlar, cladding, general building, paving and engineering |
| USES (1) | Sherrifs Court, Edinburgh |
| USES (2) | Scarborough Sea Wall |
| USES (3) | Crown Courts, Hull |
| USES (4) | National Heritage Fishing Centre, Grimsby |
| Stone Names |