Min. [Named, 1819, in honor of Smithson Tennant: see -ITE1.] A sulph-arsenide of copper and iron, closely related to tetrahedrite (Chester).
1839. De la Beche, Rep. Geol. Cornwall, etc. xv. 590. From among them tennantite has been separated by Phillips.
1851. Mantell, Petrifact., ii. § 1. 78. In this case are specimens of … variegated copper ore; Tennantite.
1900. L. Fletcher, in Brit. Mus. Return, 156. A crystallographic and chemical research…, the result of which has been to establish the specific identity of Binnite and Tennantite.
