stibnite


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stibnite

(stĭb`nīt), antimony sulfide, Sb2S3, a mineral, silvery gray in color, with a metallic luster. It crystallizes in the orthorhombic system. Found in many parts of the world, it is the most important ore of antimony. It is commonly deposited by alkaline waters and occurs in association with quartz, calcite, sulfides of the base metals, arsenic, gold, and silver. Known in ancient times, stibnite was used in powdered form by women to darken their eyebrows and eyelashes. Antimony is used in alloys for type metal, storage batteries, pewter, babbitt, and antifriction metal for bearings. Its compounds find use in explosives, matches, and fireworks, in vulcanizing rubber, and in medicine as an emetic.
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stibnite

[′stib‚nīt]
(mineralogy)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The most abundant antimony mineral in the earth crust is stibnite (Sb2S3) which is converted to various oxide minerals on weathering.
Most of these, though, are locally procured -- there's a scolicite on stibnite sourced from a baoli in Nashik and an aquamarine from the dense forest of Karur, Tamil Nadu.
Subsequent microprobe analysis of these minerals has revealed the presence of antimony sulphide (stibnite Sb2S3) and small quantities of rare native arsenic.
The August 2001 agreement in principle included the Coeur d'Alene Basin area in litigation, the Grouse Creek mine, the Bunker Hill superfund site and the Stibnite mine site in central Idaho.
Gold-bearing refractory stibnite, for example, is pyrometallurgically treated to recover antimony in a process that involves the generation of toxic gases.
The Krinj stibnite and Awirath Gol boulangerite ocurrences, both in Chitral, are good examples of mineralization along thrust planes.
Stibnite and galena have been observed at several occurrences in the field.
More abundant minerals included scheelite (CaW[O.sub.4]) (Figure 6(h)), barite (BaS[O.sub.4]) (Figure 6(g)), rutile (Ti[O.sub.2]) (Figures 6(f) and 6(g)), cotunnite (Pb[Cl.sub.2]) (Figure 7(h)), cinnabar (HgS) (Figure 7(d)), and stibnite ([Sb.sub.2][S.sub.3]).
Giustino, "GW quasiparticle band structures of stibnite, antimonselite, bismuthinite, and guanajuatite," Physical Review B, vol.