eulytiten.

/ˈjuːlɪtʌɪt/Origin: A borrowing from Greek, combined with an English element. Etymons: Greek εὔλυτος , -ite suffix1.
Etymology: < ancient Greek εὔλυτος easily dissolved (see eulytin n.) + -ite suffix1. Compare earlier eulytin n.
Mineralogy.
1868 J. D. Dana (ed. 5) 391 Eulytite..Silicate of Bismuth.
This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2022).