limonite

American  

[lahy-muh-nahyt] / ˈlaɪ məˌnaɪt /

noun

Mineralogy.

1. an amorphous hydrated ferric oxide, varying in color from dark brown to yellow, used as an ore of iron.

---

limonite British  

/ ˈlaɪməˌnaɪt /

noun

1. 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

---

Other Word Forms

• limonitic
  adjective

---

Etymology

Origin of limonite

1815–25; < Greek leimṓn meadow + -ite ¹

---

Example Sentences

See Examples For:

limonite

On the regulatory front, implementation of Indonesia’s mineral reference price for nickel is likely to boost limonite pricing, possibly by up to 100%.

From The Wall Street Journal ● Apr. 20, 2026

The person did not specify how much the smelter is buying but said the purchases are of low-grade limonite ore.

From Reuters ● Aug. 30, 2023

At first, the cargo hold appeared to match the description on the manifest: 2,300 tons of loose yellow rocks called limonite, a kind of iron ore.

From Washington Post ● Oct. 1, 2017

Some important hydroxides are limonite and bauxite, which are ores of iron and aluminium respectively.

From Textbooks ● Jan. 1, 2015

In thin sections it is translucent and optically isotropic, and recent examinations seem to prove that it is a homogeneous mineral and not a mechanical mixture of chrysocolla and limonite.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various

Random Word

Spin the wheel and learn a new word!

---