Dictionary.com
Thesaurus.com

hematite

American  
[hee-muh-tahyt, hem-uh-] / ˈhi məˌtaɪt, ˈhɛm ə- /

noun

  1. a very common mineral, iron oxide, Fe 2 O 3 , occurring in steel-gray to black crystals and in red earthy masses: the principal ore of iron.


hematite British  
/ ˈhɛmətaɪt, ˈhɛmətaɪt, ˌhiː-, ˈhiːm-, ˌhɛməˈtɪtɪk /

noun

  1. Also called: iron glance.  a red, grey, or black mineral, found as massive beds and in veins and igneous rocks. It is the chief source of iron. Composition: iron (ferric) oxide. Formula: Fe 2 O 3 . Crystal structure: hexagonal (rhombohedral)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hematite Scientific  
/ hēmə-tīt′ /
  1. A reddish-brown to silver-gray metallic mineral. Hematite occurs as rhombohedral crystals, as reniform (kidney-shaped) crystals, or as fibrous aggregates in igneous, metamorphic, and sedimentary rocks. It is the most abundant ore of iron, and it is usually slightly magnetic. Chemical formula: Fe 2 O 3 .


Other Word Forms

  • hematitic adjective

Etymology

Origin of hematite

1535–45; < Latin haematītes bloodstone < Greek haimatī́tēs ( lithós ) bloodlike (stone). See hemat-, -ite 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Pigments made of minerals including hematite and rocks like lapis lazuli are ground into nanoparticles and suspended in silica, resembling “melted glass,” as Magaloni describes.

From Los Angeles Times

“Importantly, the new findings suggest a wetter and potentially more habitable past for Mars because ferrihydrite forms in the presence of cool water, and at lower temperatures than other previously considered minerals, like hematite.”

From Salon

With a microscope, the researchers also found a rust reddish pigment on the ornaments—likely cinnabar or hematite that were sprinkled or painted on the bodies of deceased royals as part of burial rites.

From Science Magazine

When the team analysed the dried-up powder, they found it contained hematite, "giving the paste a deep red colour".

From BBC

These monopoles glide across the swirling textures on the surface of the hematite, like tiny hockey pucks of magnetic charge.

From Science Daily