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staurolite

[ stawr-uh-lahyt ]

noun

  1. a mineral, basic iron aluminum silicate, Fe 2 Al 2 O 7 (SiO 4 ) 4 (OH), occurring in brown to black prismatic crystals, which are often twinned in the form of a cross.


staurolite

/ ˈstɔːrəˌlaɪt; ˌstɔːrəˈlɪtɪk /

noun

  1. a brown glassy mineral consisting of iron aluminium silicate in the form of prismatic crystals: used as a gemstone. Formula: Fe 2 Al 9 Si 4 O 11 (OH) 2
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


staurolite

/ stourə-līt′ /

  1. A brownish to black orthorhombic mineral, often having crossed intergrown crystals and found in mica schists and gneisses. Chemical formula: (FeMg) 2 Al 9 Si 4 O 23 (OH) .


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Derived Forms

  • staurolitic, adjective
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Other Words From

  • stau·ro·lit·ic [stawr-, uh, -, lit, -ik], adjective
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Word History and Origins

Origin of staurolite1

1790–1800; < Greek stauró ( s ) a cross + -lite
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Word History and Origins

Origin of staurolite1

C19: from Greek stauros a cross + -lite
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Example Sentences

Kyanite and staurolite may also be mentioned as occasionally occurring.

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