tengerite Min.
(ˈtɛŋəraɪt)
[Named after a Swede, C. Tenger, who examined it: see -ite1.]
According to Svanberg and Tenger, a carbonate of yttrium, found as a whitish coating on gadolite.
| 1868 Dana Min. (ed. 5) 710. 1889 Nature 19 Dec. 163/1 Many more [minerals], such as cyrtolite, molybdite, allanite, tengerite..have been found. |