limonite
[lahy-muh-nahyt]
- an amorphous hydrated ferric oxide, varying in color from dark brown to yellow, used as an ore of iron.
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Origin of limonite
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for limonite
Historical Examples
The streak of limonite is yellow, thus distinguishing it from hematite.
The powder and streak of limonite are always yellow; it is an important ore.
The A B C of MiningCharles A. Bramble
Magnetite or magnetic iron ore, specular iron, and limonite are also oxides of iron.
GeologyJames Geikie
Near Lithgow extensive deposits of limonite, or clay-band ore, are interbedded with coal.
The green sand when weathered is brown or rusty coloured, the glauconite being oxidized to limonite.
limonite
- a common brown, black, or yellow amorphous secondary mineral that consists of hydrated ferric oxides and is a source of iron. Formula: FeO(OH). n H 2 O
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Word Origin
C19: probably from Greek leimōn, translation of earlier German name, Wiesenerz meadow ore
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