hematite

noun
he·​ma·​tite | \ ˈhē-mə-ˌtīt How to pronounce hematite (audio) \

Definition of hematite

: a reddish-brown to black mineral consisting of ferric oxide, constituting an important iron ore, and occurring in crystals or as earthy red ocher

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Other Words from hematite

hematitic \ ˌhē-​mə-​ˈti-​tik How to pronounce hematitic (audio) \ adjective

Examples of hematite in a Sentence

Recent Examples on the Web

Black tourmaline, onyx, hematite and smoky quartz are all renowned among believers for their ability to protect, ground, and cleanse. Alyssa Nassner, Curbed, "Cleansing 101: Keeping your home’s energy in check," 17 Oct. 2018 The specimen also contained hematite, likely derived from the animal’s blood. Gemma Tarlach, Discover Magazine, "Protein in Dinosaur Rib Is 195 Million Years Old," 24 Jan. 2018 But a range of other rocks appear in the archaeological record, from the yellow ochre goethite to the often-dramatic specular hematite, sometimes called specularite. Gemma Tarlach, Discover Magazine, "Pigment of Our Imagination," 23 Mar. 2018 To complicate matters even more, when heated to at least 480 degrees Fahrenheit, yellow ochre’s crystal structure changes and the goethite can transform into hematite, or red ochre. Gemma Tarlach, Discover Magazine, "Pigment of Our Imagination," 23 Mar. 2018 Most people associate the term with hematite, or red ochre, chemically known as Fe2O3. Gemma Tarlach, Discover Magazine, "Pigment of Our Imagination," 23 Mar. 2018 The team believes the hematite sealed the blood vessels, protecting the collagen from contamination and degradation. Gemma Tarlach, Discover Magazine, "Protein in Dinosaur Rib Is 195 Million Years Old," 24 Jan. 2018 The perimeter has darker stones like tourmaline, hematite and pyrite that are said to block negative energy and electromagnetic fields produced by electronic objects. Caroline Tell, New York Times, "The Great Crystal Boom of 2017," 15 Aug. 2017 The microscopic filaments and tubes, composed of an iron oxide called hematite, appeared within a rock type called jasper. Malcolm Ritter, Orange County Register, "Tiny tubes in Canadian rock may be oldest known fossils," 1 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hematite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hematite

1540, in the meaning defined above

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Time Traveler for hematite

The first known use of hematite was in 1540

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More from Merriam-Webster on hematite

Rhyming Dictionary: Words that rhyme with hematite

Britannica.com: Encyclopedia article about hematite

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