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pickeringite

American  
[pik-er-ing-ahyt, pik-ring-] / ˈpɪk ər ɪŋˌaɪt, ˈpɪk rɪŋ- /

noun

  1. a mineral, magnesia alum, occurring usually in the form of white fibrous masses.


Etymology

Origin of pickeringite

1835–45; named after John Pickering (1777–1846), American linguist; -ite 1