| Answer | Crossword Clue |
|---|---|
| erinites | ERINITE, a basic arsenate of copper |
| erinite | a basic arsenate of copper |
| ERINITE | Emerald-green basic copper arsenate. |
| olivenite | mineral, basic copper arsenate, Cu4As2O8(OH)2, occurring in crystals and in masses, usually olive-green in color |
| chessylite | a basic carbonate of copper, vivid blue in colour |
| chessylites | CHESSYLITE, a basic carbonate of copper, vivid blue in colour |
| verdigris | A bright bluish-green encrustation or patina formed on copper or brass by atmospheric oxidation, consisting of basic copper carbonate |
