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

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

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)

In the weathering of antimony deposits, the stibnite usually alters to form insoluble white or yellowish oxides, which are sometimes called "antimony ocher."

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

Antimony, however, occurs chiefly as the sulphide, stibnite; to a much smaller extent it occurs in combination with other metallic sulphides in the minerals wolfsbergite, boulangerite, bournonite, pyrargyrite, &c.

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

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