Min. [Named 1825 after Professor Jameson, of Edinburgh (1774–1854).] Sulph-antimonide of lead, usually occurring in fibrous masses; feather-ore.

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1825.  Haidinger, trans. Mohs’ Min., I. 451.

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1868.  Dana, Min. (ed. 5), 91. Jamesonite occurs principally in Cornwall.

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