tetradymite
[ te-trad-uh-mahyt ]
/ tɛˈtræd əˌmaɪt /
noun
a mineral, bismuth telluride and sulfide, Bi2Te2S, occurring in soft-gray to black foliated masses.
Words nearby tetradymite
Example sentences from the Web for tetradymite
It is also found in some comparatively rare minerals, such as tetradymite, combined with tellurium, and associated with gold.
A Textbook of Assaying: For the Use of Those Connected with Mines. |Cornelius Beringer and John Jacob Beringer
British Dictionary definitions for tetradymite
tetradymite
/ (tɛˈtrædɪˌmaɪt) /
noun
a grey metallic mineral consisting of a telluride and sulphide of bismuth. Formula: Bi 2 Te 2 S
Word Origin for tetradymite
C19: from Late Greek
tetradumos fourfold, from Greek
tetra- +
didumos double