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hydrozincite

American  
[hahy-droh-zing-kahyt] / ˌhaɪ droʊˈzɪŋ kaɪt /

noun

Mineralogy.
  1. a hydrous zinc carbonate, Zn 5 (CO3 ) 2 (OH) 6 , an important ore of zinc in some localities.


Etymology

Origin of hydrozincite

1850–55; < German Hydrozinkit; see hydr- 2, zincite