from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A steel gray, blackish gray, to violet black copper arsenic sulfosalt mineral with a metallic luster.
from the GNU version of the Collaborative International Dictionary of English
- n. An iron-black mineral of metallic luster, occurring in small orthorhombic crystals, also massive. It contains sulphur, arsenic, copper, and often silver.
from The Century Dictionary and Cyclopedia
- n. A sulpharsenite of copper occurring in small black orthorhombic crystals, also massive, in Peru, Chili, Colorado, etc.
Sorry, no etymologies found.