"Biotite" is a word in ENGLISH
Mica containing iron and magnesia, generally of a black or
dark green color; -- a common constituent of crystalline rocks. See
Mica.
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A kind of Muscovite, or potash mica, containing water.
Read the complete definitionA variety of potash mica containing water. It is less elastic than ordinary muscovite.
Read the complete definitionA species of mica, of a lilac or rose-violet color, containing lithia. It usually occurs in masses consisting of small …
Read the complete definitionPartaking of the nature of, or consisting of, mica and lime; -- applied to a mica schist containing carbonate of …
Read the complete definitionPertaining to, or containing, mica; splitting into laminae or leaves like mica.
Read the complete definitionA kind of mica related to muscovite, but containing soda instead of potash. It is characteristic of the paragonite schist …
Read the complete definitionA granular, crystalline, ingeous rock composed of orthoclase and hornblende, the latter often replaced or accompanied by pyroxene or mica. …
Read the complete definitionA kind of mica containing lithium, often associated with tin ore.
Read the complete definition