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waltherite

noun wal·ther·ite \ ˈvältəˌrīt \
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Definition of waltherite

plural -s
: a mineral consisting of an ill-defined carbonate of bismuth having green to brownish green doubly terminated prismatic crystals

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Origin and Etymology of waltherite

German waltherit, perhaps from Walther, a 19th century Austrian mining official + German -it -ite

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