from The Century Dictionary.
- noun In mineralogy, a sulphid of antimony and lead, occurring in plumose, granular, and compact masses, of a bluish lead-gray color and metallic luster.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A mineral of a bluish gray color and metallic luster, usually in plumose masses, also compact. It is a sulphide of antimony and lead.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A
lead antimony sulfide mineralthat forms metallic grey monoclinic crystals.
from Wiktionary, Creative Commons Attribution/Share-Alike License
Charles Boulanger, French mining engineer, + -ite.
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