[tie.mann.ite] n [G Tiemannit, fr. W. Tiemann d. 1899 Ger. scientist] (1868): a mineral that consists of mercuric selenide and occurs in dark gray or nearly black masses of metallic luster
TIEMANNITE
Meaning of TIEMANNITE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012