| Reference | D3 |
| NAME | Chilmark |
| TYPE | Limestone |
| GEOLOGY | Cretaceous. Middle Chalk |
| COUNTY | check? Devon |
| COLOUR | White |
| TEXTURE | Fine grained with limited shell content. Chalky texture |
| BLOCK SIZE LXBXH (mm) | 1400mm depth on bed |
| SUITABILITY | Building and carving |
| USES (1) | Westminster Abbey |
| USES (2) | St Stephen’s Crypt, Palace of Westminster |
| USES (3) | Exeter Cathedral |
| USES (4) | |
| Stone Names | Tisbury Stone |