biotite
noun
bi·o·tite
ˈbī-ə-ˌtīt 
: a generally black or dark green form of mica that is a constituent of crystalline rocks and consists of a silicate of iron, magnesium, potassium, and aluminum
Examples of biotite in a Sentence
Recent Examples on the Web
Alteration associated with porphyry intrusions is often magnetic (from magnetite) and potassic (from sericite/biotite/K-feldspar).
—
Sacramento Bee, 2 July 2024
But what intrigued the researchers was that biotite and feldspar don’t occur together.
—Roger Lewin, Discover Magazine, 11 Nov. 2019
Was the La Vache recipe--call it recipe B, for biotite and feldspar--also used at Niaux?
—Roger Lewin, Discover Magazine, 11 Nov. 2019
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Sacramento Bee, 2 July 2024
But what intrigued the researchers was that biotite and feldspar don’t occur together.
—Roger Lewin, Discover Magazine, 11 Nov. 2019
Was the La Vache recipe--call it recipe B, for biotite and feldspar--also used at Niaux?
—Roger Lewin, Discover Magazine, 11 Nov. 2019
Dictionary Entries Near biotite
Cite this Entry
“Biotite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biotite. Accessed 8 Nov. 2024.
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biotite
noun
bi·o·tite
ˈbī-ə-ˌtīt
: a generally black or dark green mica containing iron, magnesium, potassium, and aluminum
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