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zinnwaldite
[tsin-vahl-tahyt]
noun
Mineralogy.
a yellow-brown variety of mica containing iron, found with tin ores.
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Word History and Origins
Origin of zinnwaldite1
1860–65; named after Zinnwald, village in the Czech Republic where first found; -ite 1
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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.
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