trigonite

noun

trigo·​nite
ˈtrīgəˌnīt,
ˈtrig-
plural -s
: a mineral MnPb3H(AsO3)3 consisting of an acid lead manganese arsenite and occurring in yellow to brown triangular wedge-shaped crystals (hardness 2–3)

Word History

Etymology

German trigonit, from trigon- + -it -ite

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Cite this Entry

“Trigonite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trigonite. Accessed 8 Nov. 2024.

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