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A mica that is a biotite containing iron
Answer for the clue "A mica that is a biotite containing iron ", 12 letters:
lepidomelane
Word definitions for lepidomelane in dictionaries
WordNet
Word definitions in WordNet
n. a mica that is a biotite containing iron
Wiktionary
Word definitions in Wiktionary
n. (context mineralogy English) A black iron-potash mica, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales.
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Mica \Mi"ca\, n. [L. mica crumb, grain, particle; cf. F. mica.] (Min.) The name of a group of minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. They differ widely in composition, ...