- 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.
Origin of stibnite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for stibnite
Of these the only one in sufficient abundance for smelting is the common sulphide known as grey antimony or stibnite.
Stibnite is found in a variety of associations and is present in small quantities in many types of deposits.
The antimony sulphide, stibnite, is the source of most of the world's production of this metal.
The commercial ore of this metal is the sulphide known as stibnite, or gray antimony.
Although antimony occurs in many minerals, the only commercial source is the sulphide, stibnite.
- 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
C19: from obsolete stibine stibnite + -ite 1