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What mineral is the main ore of antimony?

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A labeled periodic table entry for antimony shows its symbol Sb, atomic number 51, atomic weight 121.76, electron configuration, and name. It is a solid, weakly acidic other metal with a rhombohedral crystal structure at room temperature. — antimony Properties of antimony.

The principal ore of antimony is the sulfide mineral known as stibnite ( $S b_{2} S_{3}$ ).12

While antimony can be found in more than a hundred different minerals, stibnite is the most important source for commercial production. Other minerals of some economic value include kermesite, argentiferous tetrahedrite, livingstonite, and jamesonite.2