staurolite

[ stawr-uh-lahyt ]

/ ˈstɔr əˌlaɪt /

noun

a mineral, basic iron aluminum silicate, Fe2Al2O7(SiO4)4(OH), occurring in brown to black prismatic crystals, which are often twinned in the form of a cross.

Nearby words

staumrel, staun, staunch, staunton, staurion, staurolite, stauropegion, stauroplegia, stauroscope, stavanger, stave

Origin of staurolite

1790–1800; < Greek stauró(s) a cross + -lite

Related forms

stau·ro·lit·ic

[stawr-uh-lit-ik] /ˌstɔr əˈlɪt ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for staurolite

Kyanite and staurolite may also be mentioned as occasionally occurring.
Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2|Various

British Dictionary definitions for staurolite

staurolite

/ (ˈstɔːrəˌlaɪt) /

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

Derived Forms

staurolitic (ˌstɔːrəˈlɪtɪk), adjective

Word Origin for staurolite

C19: from Greek stauros a cross + -lite

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

Science definitions for staurolite

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)2Al9Si4O23(OH).