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staurolite
[ stawr-uh-lahyt ]
noun
- 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
- 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
staurolite
/ stou′rə-līt′ /
- 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.
From Project Gutenberg
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