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Definisi 'lepidomelane'
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English to English noun
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a mica that is a biotite containing iron |  | source: wordnet30
| 2 |
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 Mica. | | source: webster1913
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