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Webster 1913 Edition

Gibbsite

Gibbs′ite

,
Noun.
[Named after George
Gibbs
.]
(Min.)
A hydrate of alumina.

Webster 1828 Edition

Gibbsite

GIBBS'ITE

,
Noun.
A mineral found at Richmond, in Massachusetts, and named in honor of George Gibbs, Esq. It occurs in irregular stalactical masses, which present an aggregation of elongated,tuberous branches, parallel and united. Its structure is fibrous,the fibers radiating from an axis. Its colors are a dirty white, greenish white and grayish.

Definition 2024

gibbsite

gibbsite

English

Gibbsite

Noun

gibbsite ‎(countable and uncountable, plural gibbsites)

  1. (mineralogy) A mineral with monoclinic crystals, usually white but can have different colors, Al(OH)3.
  1. ↑ Richard V. Gaines, H. Catherine W. Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig: Dana's new mineralogy, John Wiley & Sons, 1997

Etymology

Gibbs +‎ -ite after George Gibbs (1777-1834) in 1822.[1]

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