stibnite

[ stib-nahyt ]

/ ˈstɪb naɪt /

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noun

a soft mineral, antimony sulfide, Sb2S3, lead-gray in color with a metallic luster, occurring in crystals, often acicular, or in bladed masses: the most important ore of antimony.

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Origin of stibnite

1850–55; stib(i)ne (in obsolete sense “stibnite”) + -ite¹

Words nearby stibnite

STI, stibial, stibialism, stibine, stibium, stibnite, stich, sticharion, stichic, stichometry, stichomythia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use stibnite in a sentence

It crystallizes in the orthorhombic system and is isomorphous with stibnite (Sb2S3), which it closely resembles in appearance.
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1|Various
When prepared in this way they are orange-colored substances, though the mineral stibnite is black.
An Elementary Study of Chemistry|William McPherson
The antimony sulphide, stibnite, is the source of most of the world's production of this metal.
The Economic Aspect of Geology|C. K. Leith
The commercial ore of this metal is the sulphide known as stibnite, or gray antimony.
The A B C of Mining|Charles A. Bramble

Although antimony occurs in many minerals, the only commercial source is the sulphide, stibnite.
The A B C of Mining|Charles A. Bramble

British Dictionary definitions for stibnite

stibnite

/ (ˈstɪbnaɪt) /

noun

a soft greyish mineral consisting of antimony sulphide in orthorhombic crystalline form. It occurs in quartz veins and is the chief ore of antimony. Formula: Sb 2 S 3

Word Origin for stibnite

C19: from obsolete stibine stibnite + -ite 1

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