hematite
[hee-muh-tahyt, hem-uh-]
- a very common mineral, iron oxide, Fe2O3, occurring in steel-gray to black crystals and in red earthy masses: the principal ore of iron.
Show More
Origin of hematite
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hematite
Historical Examples
There is also a small amount of hematite, pyroxene and sericite.
The Long Labrador TrailDillon Wallace
It is a very valuable ore, but is less abundant than hematite.
An Elementary Study of ChemistryWilliam McPherson
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.
hematite
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
Show More
Word Origin
C16: via Latin from Greek haimatitēs resembling blood, from haima blood
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
Word Origin and History for hematite
n.
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.).
Show More
Online Etymology Dictionary, © 2010 Douglas Harper
hematite
[hē′mə-tīt′]
- 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.
Show More
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.