from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A monoclinic-prismatic pure white mineral containing antimony, arsenic, lead, and sulfur.
from the GNU version of the Collaborative International Dictionary of English
- n. A lead-gray or grayish blue mineral with a metallic luster, consisting of sulphur, antimony, and lead, with a small proportion of arsenic.
from The Century Dictionary and Cyclopedia
- n. A lead-gray ore with a metallic luster, consisting of antimony, lead, sulphur, and a little arsenic.