from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A trigonal-hexagonal scalenohedral white mineral containing bismuth, silver, and sulfur.
from The Century Dictionary and Cyclopedia
- n. A sulphobismutite of silver (AgBiS2), occurring in gray prismatic crystals, also massive: from the Matilda mine, near Morococha, Peru. Also found in Colorado.