| Answer | Crossword Clue |
|---|---|
| lazulites | LAZULITE, a blue phosphate |
| lazulite | a blue phosphate |
| odontolite | a fossil bone or tooth coloured blue with phosphate of iron, aka bone-turquoise |
| odontolites | ODONTOLITE, a fossil bone or tooth coloured blue with phosphate of iron, aka bone-turquoise |
| turquoise | a hydrous phosphate of alumina containing a little copper, having a blue, or bluish green, color also TURKIES, TURKIS, TURKOIS, TURQUOIS |
| turquoise | A semiprecious stone, typically opaque and of a greenish-blue or sky-blue color, consisting of a hydrated hydroxyl phosphate of copper and aluminum |
