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torbernite

American  
[tawr-ber-nahyt] / ˈtɔr bərˌnaɪt /

noun

  1. a mineral, hydrated copper uranium phosphate, CuU 2 P 2 O 12 ⋅12H 2 O, occurring in square tabular crystals of a bright-green color: a minor ore of uranium; copper uranite.

torbernite British  
/ ˈtɔːbəˌnaɪt /

noun

  1. a green secondary mineral consisting of hydrated copper uranium phosphate in the form of square platelike crystals. Formula: Cu(UO 2 ) 2 (PO 4 ) 2 .12H 2 O

"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

Etymology

Origin of torbernite

1850–55; named after Torbern Bergman (1735–84), Swedish chemist; see -ite 1

Example Sentences

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The colour is sulphur-yellow, and this enables the mineral to be distinguished at a glance from the emerald-green torbernite.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" by Various

Though closely resembling the tetragonal torbernite in form, it crystallizes in the orthorhombic system and is optically biaxial.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.