from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A nickel antimony sulphide mineral.
from the GNU version of the Collaborative International Dictionary of English
- n. A brittle mineral of a steel-gray color and metallic luster, containing antimony, arsenic, sulphur, and nickel.
from The Century Dictionary and Cyclopedia
- n. A sulphid of nickel and antimony, part of the latter being frequently replaced by arsenic. It generally occurs massive with a granular structure, and is of a gray color with a metallic luster.
Johann Christoph Ullmann (1771-1821), German mineralogist, and -ite. (Wiktionary)
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