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roscoelite

American  
[ros-koh-lahyt] / ˈrɒs koʊˌlaɪt /

noun

Mineralogy.

  1. a brown variety of muscovite in which some aluminum is replaced by vanadium.

Etymology

Origin of roscoelite

1875–80; named after Sir Henry Roscoe (1833–1915), English chemist; see -lite

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Locally the sandstones contain as much as 20 per cent of the roscoelite.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.