stibnite

American  

[stib-nahyt] / ˈstɪb naɪt /

noun

1. a soft mineral, antimony sulfide, Sb 2 S 3 , 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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stibnite British  

/ ˈstɪbnaɪt /

noun

1. 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

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Etymology

Origin of stibnite

1850–55; stib(i)ne (in obsolete sense “stibnite”) + -ite ¹

Example Sentences

This method for small quantities of stibnite is both quick and accurate, the error being about ±0.0003 grm.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

Antimony trisulphide, Sb2S3, occurs as the mineral antimonite or stibnite, from which the commercial product is obtained by a process of liquation.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

The stibnite is liquated out at a low heat and drips from the upper to the lower pot.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

For the preparation of metallic antimony the crude stibnite is first liquated, to free it from earthy and siliceous matter, and is then roasted in order to convert it into oxide.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

In the Central Plateau of France the numerous antimony deposits are stibnite veins cutting granites and the surrounding schists and sediments.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)