from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An orthorhombic-dipyramidal mineral containing bismuth, lead, and sulfur.
from The Century Dictionary and Cyclopedia
- n. A native sulphid of bismuth and lead, occurring massive, of a metallic luster and lead-gray color, first found in a silver-mine at Cosala in Mexico. Bjelkite is a variety from Sweden.