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

See Examples For:

stibnite

The characteristic transverse striae, invariably present on the cleavage surfaces of stibnite and cyanite are due to secondary twinning along glide-planes, and have resulted from the bending of the crystals.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

We have been in much doubt as to the term to introduce into the text, as the English "stibnite" carries too much precision of meaning.

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

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)

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

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)