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A dark-colored spinel containing iron
Answer for the clue "A dark-colored spinel containing iron ", 9 letters:
ceylonite
Word definitions for ceylonite in dictionaries
Wikipedia
Word definitions in Wikipedia
Ceylonite (first cited 1793) and pleonaste (first cited 1801) are dingy blue or grey to black varieties of spinel . Ceylonite, named for the island of Ceylon , is a ferroan spinel with Mg:Fe from 3:1 and 1:1, and little or no ferric iron. Pleonaste is named ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Ceylanite \Cey"lan*ite\, n. [F., fr. Ceylan Ceylon.] (Min.) A dingy blue, or grayish black, variety of spinel. It is also called pleonaste . [Written also ceylonite .]