hydrozincite

noun

hy·​dro·​zinc·​ite

ˌhīdrōˈziŋˌkīt

: a mineral Zn₅(OH)₆(CO₃)₂ consisting of a basic zinc carbonate occurring as white, grayish, or yellowish masses or crusts (specific gravity 3.58–3.8)

Word History

Etymology

German hydrozinkit, from hydr- + zink zinc + -it -ite

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