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zinnwaldite

noun zinn·wald·ite \ ˈtsinˌvälˌtīt \
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Definition of zinnwaldite

plural -s
: a pale violet, yellow, brown, or dark gray mineral K2(Li,Fe,Al)6(Si,Al)8O20(OH,F)4 that consists of mica containing iron and lithium

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Origin and Etymology of zinnwaldite

German zinnwaldit, from Zinnwald, Bohemia, its locality + German -it -ite

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