noun
- A green to black mineral of the amphibole group; consists of silicates of calcium and sodium and magnesium and iron. .
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| APA | WordNet. (2010). Hornblende. Retrieved September 23, 2026, from http://smartdefine.org/hornblende/definitions/1248016 |
| Chicago | WordNet. 2010. "Hornblende" http://smartdefine.org/hornblende/definitions/1248016 (accessed September 23, 2026). |
| Harvard | WordNet 2010, Hornblende, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/hornblende/definitions/1248016>. |
| MLA | WordNet. "Hornblende" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/hornblende/definitions/1248016> |