from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An orthorhombic-dipyramidal mineral containing copper, silver, and sulfur.
from the GNU version of the Collaborative International Dictionary of English
- n. A steel-gray mineral of metallic luster. It is a sulphide of silver and copper.
from The Century Dictionary and Cyclopedia
- n. A sulphid of silver and copper occurring in crystals near chalcocite in form, also massive. It has a dark steel-gray color and metallic luster.
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