| Answer | Crossword Clue |
|---|---|
| EDENITE | Mineral of the amphibole group. |
| cummingtonite | a mineral of the amphibole group, hydrated magnesium iron silicate |
| cummingtonites | CUMMINGTONITE, a mineral of the amphibole group, hydrated magnesium iron silicate |
| hornblende | dark-green to black mineral of the amphibole group, calcium magnesium iron and hydroxyl aluminosilicate |
| hornblendes | A dark brown, black, or green mineral of the amphibole group consisting of a hydroxyl alumino-silicate of calcium, magnesium, and iron, occurring in many igneous and metamorphic rocks |
| amphiboles | AMPHIBOLE, any mineral of a group of dark-coloured, rock-forming silicates |
