from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An orthorhombic-pyramidal mineral containing antimony and silver.
from the GNU version of the Collaborative International Dictionary of English
- n. A mineral consisting of antimony and silver.
from The Century Dictionary and Cyclopedia
- n. A mineral of a silver-white color and metallic luster, occurring in crystals, and also massive and granular.