English dictionary
lepidomelane
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a mica that is a biotite containing iron
Source: WordNet 3.0
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An iron-potash mica, of a raven-black color, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales. See <u>Mica</u>.
Source: webster1913