from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A dark grey monoclinic sulfosalt mineral with chemical formula Pb4FeSb6S14.
from the GNU version of the Collaborative International Dictionary of English
- n. A steel-gray mineral, of metallic luster, commonly fibrous massive. It is a sulphide of antimony and lead, with a little iron.
from The Century Dictionary and Cyclopedia
- n. A native sulphid of antimony and lead, commonly occurring in fibrous masses, sometimes in capillary forms (feather-ore). It has a lead-gray color and metallic luster.
Robert Jameson (1774-1854), Scottish mineralogist, and -ite. (Wiktionary)