ehrenbergiten.

/ɛːrənˈbɛːɡʌɪt/Etymology: < the surname Ehrenberg + -ite suffix1.
Mineralogy.
1868 J. D. Dana (ed. 5) at Cimolite Ehrenbergite occurs in clefts in trachyte at the quarries of Steinchen.
This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2022).