| Answer | Crossword Clue |
|---|---|
| IRONSTONE | Heavy china material |
| IRONSTONE | Heavy, durable china |
| PETERSHAM | Heavy overcoat material. |
| BALLASTING | Heavy material for stabilizing a ship. |
| SAMITE | Heavy silk material worn in the Middle Ages |
| TBFJJMCJE | Roofing material that China reduced by a thousand dollars (9) |
| CASTIRON | Material used for weaponry in ancient China as early as 500 B.C. |
