| Answer | Crossword Clue |
|---|---|
| chalcanthite | native hydrated copper sulphate, a blue triclinic mineral usually occurring as tabular crystals |
| Answer | Crossword Clue |
|---|---|
| chalcanthite | native hydrated copper sulphate, a blue triclinic mineral usually occurring as tabular crystals |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.