| Answer | Crossword Clue |
|---|---|
| psilomelane | an oxide of manganese, usually with barium, etc, occurring in smooth black botryoidal masses |
| Answer | Crossword Clue |
|---|---|
| psilomelane | an oxide of manganese, usually with barium, etc, occurring in smooth black botryoidal masses |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.