Definition of limonite in English:

limonite

Line breaks: lim¦on|ite
Pronunciation: /ˈlʌɪmənʌɪt
 
/

noun

[mass noun]
  • An amorphous brownish secondary mineral consisting of a mixture of hydrous ferric oxides, important as an iron ore.
    More example sentences
    • The phenakite is also associated with albite, limonite, smoky quartz, and topaz and is often overlooked because it resembles quartz.
    • This crystal was glassy and was found associated with smoky quartz, microcline-perthite, biotite, zircon, bastnasite, and limonite after siderite.
    • The associated minerals are not remarkable on the specimens; only limonite and some secondary lead minerals form in the matrix.

Derivatives

limonitic

adjective
More example sentences
  • Lovering, Tweto, and Lovering stated that dark yellow jarosite is an abundant constituent of the limonitic and ocherous materials in the oxidized orebodies, where it is mixed with iron oxides.
  • It is translucent green and forms a botryoidal layer less than 1 cm thick on a hard limonitic matrix.
  • Bed 4 comprised medium grey fossiliferous mudstone with limonitic ooids and phosphatic nodules.

Origin

early 19th century: from German Limonit, probably from Greek leimōn 'meadow' (suggested by the earlier German name Wiesenerz, literally 'meadow ore').

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