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[ros-koh-lahyt] /ˈrɒs koʊˌlaɪt/
noun, Mineralogy.
a brown variety of muscovite in which some aluminum is replaced by vanadium.
Origin of roscoelite
1875-80; named after Sir Henry Roscoe (1833-1915), English chemist; see -lite Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for roscoelite
Historical Examples
  • Locally the sandstones contain as much as 20 per cent of the roscoelite.

  • roscoelite is a vanadium mica from a gold mine at Granite creek, California.

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