Definition of staurolite in English:

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staurolite

Pronunciation: /ˈstôrəˌlīt/

noun

A brown glassy mineral that occurs as hexagonal prisms often twinned in the shape of a cross. It consists of a silicate of aluminum and iron.
Example sentences
  • They have parallel bright shiny mica wrapping round large grains of pink garnet, brown staurolite, or blue kyanite.
  • Metamorphic xenotime and monazite were identified in 13 pelite samples that also contain garnet, staurolite, kyanite, quartz, ilmenite and micas, as well as in four sandstone samples.
  • Petrographical evidence establishes that peak thermal metamorphism produced largely random growth of kyanite, staurolite, biotite, monazite and xenotime that overprinted those fabrics.

Origin

Early 19th century: from Greek stauros 'cross' + -lite.

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