tetradymite 的定义
- a mineral, bismuth telluride and sulfide, Bi2Te2S, occurring in soft-gray to black foliated masses.
更多tetradymite例句
- It is also found in some comparatively rare minerals, such as tetradymite, combined with tellurium, and associated with gold.
- The tritelluride constitutes the mineral tetradymite, Bi2Te3.