noun
(also randanite)
rare Mineralogy A diatomaceous earth resembling kaolin.
Randannite is a variety of tripolite.
Origin
Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From French randanite, also randannite, apparently from Randan, the name of a small town in the department of Puy-de-Dôme in central France, where the earth is found + -ite.
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