argentite
Sign in to savethumb|Argentite sample thumb|The unit cell of argentite
~2 min read
Encyclopedic overview
2 sectionsContents
- References
- External links
thumb|Argentite sample thumb|The unit cell of argentite
In mineralogy, argentite () is cubic silver sulfide (Ag2S), which can only exist at temperatures above , , or . When it cools to ordinary temperatures it turns into its monoclinic polymorph, acanthite. The International Mineralogical Association has decided to reject argentite as a proper mineral.
Excerpted from Wikipedia’s “argentite” article, available under the CC BY-SA 4.0 licence.