from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A sulfide of silver and antimony.
from the GNU version of the Collaborative International Dictionary of English
- n. A mineral of an iron-black color, and very sectile, consisting principally of sulphur, antimony, and silver.
from The Century Dictionary and Cyclopedia
- n. In mineralogy, a sulphid of antimony and silver, occurring in monoclinic crystals of an iron-black color with dark cherry-red streak.
Mineralogical analysis shows that silver is contained, partly or fully, in the silver bearing minerals pyrargyrite, naumannite a directly cyanide soluble silver mineral and selenian miargyrite.
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