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chalcotrichite

American  
[kal-kuh-trik-ahyt] / ˌkæl kəˈtrɪk aɪt /

noun

Mineralogy.

  1. a fibrous variety of cuprite.

Etymology

Origin of chalcotrichite

1865–70; < German Chalkotrichit; chalco-, trich-, -ite 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Compact to granular masses also occur, and there are two curious varieties—chalcotrichite and tile-ore—which require special mention.

From Project Gutenberg

Chalcotrichite comes from Wheal Phoenix and Fowey Consols mine in Cornwall, and from Morenci in Arizona; tile-ore from Bogoslovsk in the Urals, Atacama in South America, and other localities.

From Project Gutenberg

A remarkable case of irregular development is presented by the mineral cuprite, which is often found as well-developed octahedra; but in the variety known as chalcotrichite it occurs as a matted aggregate of delicate hairs, each of which is an individual crystal enormously elongated in the direction of an edge or diagonal of the cube.

From Project Gutenberg

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.