from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A triclinic mineral containing arsenic, copper, lead, silver, and sulfur.
from The Century Dictionary and Cyclopedia
- n. A sulpharsenite of lead with antimony, silver, and copper in small amount; it occurs in thin-bladed crystals, probably triclinic, of steel-gray color and metallic luster: found in the dolomite of the Binnenthal, Switzerland.
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