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halloysite

[huh-loi-sahyt, -zahyt, ha-] /həˈlɔɪ saɪt, -zaɪt, hæ-/
noun
1.
a refractory clay mineral similar in composition to kaolinite.
Origin
1820-1830
1820-30; after Jean-Baptiste-Julien Omalius d'Halloy (1783-1875), Belgian geologist; with -site for -ite1, after mineral names formed from surnames ending in s
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for halloysite
  • halloysite also may be more affected by chemicals than kaolinite.
  • Criteria for the characterization of kaolinite, halloysite, and a related mineral in clays and soils.
  • The minerals of the bauxite ores include mainly monohydrate and halloysite.
Encyclopedia Article for halloysite

clay mineral that occurs in two forms: one is similar in composition to kaolinite, and the other is hydrated. Both forms have a lower specific gravity than kaolinite, are fibrous rather than platy, and may exhibit a prismatic tubular shape. Seekaolinite.

Learn more about halloysite with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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