- a very common mineral, iron oxide, Fe2O3, occurring in steel-gray to black crystals and in red earthy masses: the principal ore of iron.
Origin of hematite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hematite
There is also a small amount of hematite, pyroxene and sericite.The Long Labrador Trail
It is a very valuable ore, but is less abundant than hematite.An Elementary Study of Chemistry
The or-moulu colouring is a mixture of hematite, alum, and sea salt.
The streak of limonite is yellow, thus distinguishing it from hematite.
General Lomet uses a similar mixture to work up the softest varieties of hematite, with which he thus forms superior red crayon.
haematite (ˈhɛmətaɪt, ˈhiːm-)
- 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)Also called: iron glance
C16: via Latin from Greek haimatitēs resembling blood, from haima blood
Word Origin and History for hematite
1540s, haematites, from Middle French hematite (16c.), from Latin haematites, from Greek haimatites lithos "bloodlike stone," from haima (genitive haimatos) "blood" (see -emia). Earlier as emachite (late 14c.).
Online Etymology Dictionary, © 2010 Douglas Harper
- 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: Fe2O3.
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