How to Use magnetite in a Sentence

magnetite

noun
  • Some birds, such as pigeons, have small crystals of magnetite in their beaks.
    — Ed Yong, Discover Magazine, 8 July 2010
  • That thick black sand is magnetite, an iron ore eroded from the sandstone cliff walls.
    — Tom Stienstra, SFChronicle.com, 23 Nov. 2019
  • Without it, Geobacter could no longer change rust into magnetite.
    — Sophie Bushwick, Scientific American, 23 Nov. 2020
  • The process helps turn rust into another iron compound, called magnetite.
    — New York Times, 1 July 2019
  • And that includes the, sort of the magnetite sediment that is being dumped into the lake.
    — National Geographic, 19 Nov. 2019
  • By contrast, the bark – which comes from trees that have already been cut down for their wood anyways – simply has to get a shot of magnetite.
    — New Atlas, 21 Jan. 2026
  • Those include clay pots fired in ancient kilns thousands of years ago, which sometimes contain small amounts of an iron ore called magnetite.
    — Tom Metcalfe, NBC News, 4 July 2022
  • There is some magnetite in the limestone, so this alternative mechanism can’t be ruled out.
    — Scott K. Johnson, Ars Technica, 30 Sep. 2017
  • Basalt is a volcanic rock composed of augite and sometimes plagioclase and magnetite, which says nothing.
    — Louise Erdrich, The New Yorker, 2 Sep. 2019
  • For his project, Ferreira added oil and magnetite to water and mixed in a solution emulating plastic waste in the ocean.
    — Alisha Ebrahimji, CNN, 1 Aug. 2019
  • Australia produces a higher amount of hematite iron ore than any other country, which contains a larger quantity of usable iron than itabirite or magnetite.
    — Ben Westcott, CNN, 6 May 2021
  • What’s more, magnetite crystals produced by bacteria have a distinctive string-of-pearls formation that was not found in the meteorite.
    — National Geographic, 17 Oct. 2016
  • Early iron compass needles were magnetized by lodestone or magnetite minerals pulled from Earth.
    — Jennifer Leman, Popular Mechanics, 29 Mar. 2023
  • One of the most likely non-biological ways to make lookalike graphite is a reaction of iron carbonate that produces magnetite and graphite.
    — Scott K. Johnson, Ars Technica, 30 Sep. 2017
  • As the magma rises, cools and gets pushed aside by newer magma, the magnetite within it preserves a record of Earth’s fickle magnetic field.
    — Gemma Tarlach, Discover Magazine, 11 June 2019
  • Oceanic crust, made of basaltic rock and rich in magnetite, is created at divergent plate boundaries, where the mantle is constantly coughing up new magma.
    — Gemma Tarlach, Discover Magazine, 12 June 2019
  • However, three other magnetite fragments analyzed were not magnetized at all.
    — Elizabeth Rayne, Ars Technica, 19 May 2024
  • In one experiment, when Geobacter was prevented from making pili, the bacteria couldn’t turn rust to magnetite.
    — New York Times, 1 July 2019
  • And given plausible flows of groundwater, the model produced about as much magnetite as Curiosity has seen in the rocks in a thousand years or so.
    — Scott K. Johnson, Ars Technica, 9 Aug. 2018
  • But price is always a consideration, so Block mentions magnetite as an alternative.
    — Joe Pappalardo, Popular Mechanics, 12 Apr. 2019
  • Specifically, the multi-heavy mineral prospect consists of abrasives garne and epidote, and zircon, magnetite and gold.
    — Elwood Brehmer, Anchorage Daily News, 7 Nov. 2019
  • Early iron compass needles were magnetized by lodestone, or magnetized magnetite minerals, pulled from the Earth.
    — Jennifer Leman, Popular Mechanics, 29 Mar. 2023
  • What's more, when that bark is modified with inexpensive magnetite (iron oxide), it can be easily separated from the water for reuse after treatment.
    — New Atlas, 21 Jan. 2026
  • It has been proposed that tiny, internal magnetite crystals act as microscopic compass needles, aligning themselves with the Earth’s magnetic field.
    — Mrigakshi Dixit, Interesting Engineering, 27 Nov. 2025
  • But previous reports show that magnetite subjected only to Earth’s natural magnetic field can still cause an initial, though smaller, bias toward one form of a chiral molecule.
    — Byrobert F. Service, science.org, 13 June 2023
  • Even though the Apollo missions detected some ferric iron–bearing materials, such as magnetite and iron hydroxides, the discovery was quickly dismissed.
    — Bojan Stojkovski, Interesting Engineering, 16 Nov. 2025
  • The rocky planets all share minerals like olivine, feldspar, pyroxene and magnetite, but only this blue-green world has abundant hornblende, biotite, muscovite … and all those clays — all minerals that require water in their structure.
    — Erik Klemetti, Discover Magazine, 5 Sep. 2019
  • Magnetotactic or magnetic bacteria have extremely small crystals of magnetite inside their bodies.
    — Stephen Leahy, WIRED, 12 May 2006
  • The discharge anecdotally appears to deepen in color over the course of the summer, and historical accounts describe a yellowish-orange color to the outflow fan that has been attributed to goethite or magnetite.
    — Jennifer Ouellette, Ars Technica, 12 July 2023
  • Jesuit church ruins from the 17th century, like the São Miguel das Missões, were built with clay bricks that contain magnetite, which realigned with earth's magnetic field when it was fired in kilns.
    — Andrew Jenner, Discover Magazine, 28 Sep. 2016

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'magnetite.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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