| Name: Coarseware 10 | Code: C10 |
| Distinguishing features: Shale inclusions |
| Colour: Purplish grey brown | Texture: Rough | Strength: Medium |
| Hardness: Medium | Resistance: High | Fracture: Hackly |
| Manufacture: Wheel? | Firing temperature: Medium | Firing atmosphere: Mixed |
| Surface treatment: Wiped |
| Clay matrix: Medium elutriated |
| Inclusions: |
| Type | Size mm. | Colour | Mineral % | Shape | Sorting | Note |
| Grit | <5 | Dark red-black | Shale 50 | Sub-angular | Poor |
| Notes: |