| Answer | Crossword Clue |
|---|---|
| TERRA | .. cotta (kind of clay) |
| TERRA | .. cotta (type of clay) |
| LOESS | Kind of clay. |
| COTTA | Terra .. (kind of clay) |
| COTTA | Terra ... (kind of clay) |
| bentonite | a kind of clay, used in industry as a filler etc |
| blaize | a kind of clay, livid or red in colour also BLAES, BLAISE |
| pipestone | a kind of clay slate, carved by the Indians into tobacco pipes |
| bentonites | BENTONITE, a kind of clay, used in industry as a filler etc |
| pipestones | PIPESTONE, a kind of clay slate, carved by the Indians into tobacco pipes |
