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zinnwaldite

American  
[tsin-vahl-tahyt] / ˈtsɪn vɑlˌtaɪt /

noun

Mineralogy.

  1. a yellow-brown variety of mica containing iron, found with tin ores.

Etymology

Origin of zinnwaldite

1860–65; named after Zinnwald, village in the Czech Republic where first found; -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.

Speculators probing the ground on either side of the German-Czech border think they can profitably produce lithium from zinnwaldite, a mineral often found encased in granite-like rocks.

From The Wall Street Journal

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.