| Reference | N3 |
| NAME | Burlington Blue (riven) |
| TYPE | Slate |
| GEOLOGY | Silurian |
| COUNTY | Cumbria |
| COLOUR | Blue/black |
| TEXTURE | Extremely fine grained. Pronounced cleavage |
| BLOCK SIZE LXBXH (mm) | 1500x900mm |
| SUITABILITY | Roofing, cladding, paving, cills, copings and fireplaces |
| USES (1) | |
| USES (2) | |
| USES (3) | |
| USES (4) | |
| Stone Names | Wray Castle formation |