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Definition of Jamesonite
1. n. A steel-gray mineral, of metallic luster, commonly fibrous massive. It is a sulphide of antimony and lead, with a little iron.
Definition of Jamesonite
1. Noun. (minerology) A dark grey monoclinic sulfosalt mineral with chemical formula Pb4FeSb6S14. ¹
¹ Source: wiktionary.com
Medical Definition of Jamesonite
1.