from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. pyrrhotite
from the GNU version of the Collaborative International Dictionary of English
- n. A bronze-colored mineral, of metallic luster. It is a sulphide of iron, and is remarkable for being attracted by the magnet. Called also magnetic pyrites.
from The Century Dictionary and Cyclopedia
- n. Native iron sulphid, a mineral crystallizing in hexagonal prisms and occurring also massive, of a bronze color and metallic luster.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a brownish iron sulfide mineral (FeS) having weak magnetic properties
Sorry, no etymologies found.
Iron is found combined with sulphur in pyrrhotine and pyrites, and together with arsenic in mispickel.