| Answer | Crossword Clue |
|---|---|
| septarium | A concretionary nodule, typically of ironstone, having radial cracks filled with calcite or another mineral |
| septarium | a limestone nodule |
| Answer | Crossword Clue |
|---|---|
| septarium | A concretionary nodule, typically of ironstone, having radial cracks filled with calcite or another mineral |
| septarium | a limestone nodule |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.