from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A monoclinic-prismatic mineral containing antimony, lead, and sulfur.
from the GNU version of the Collaborative International Dictionary of English
- n. A sulphide of lead and antimony, of a blackish lead-gray color and metallic luster.
from The Century Dictionary and Cyclopedia
- n. A sulphid of antimony and lead, occurring in oblique monoclinic crystals and in massive forms. It has a dark leadgray color and metallic luster.
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