from The Century Dictionary.
- noun A mineral, a sulphid of silver having the same composition as argentite, but differing in crystalline form: found at Freiberg, Saxony.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A
mineralform of silver sulfide, Ag2S, that is a major oreof silver, that forms slender prisms.
from Wiktionary, Creative Commons Attribution/Share-Alike License
Named in 1855, from the Greek ἄκανθα (akantha) "thorn", because of the crystal shapes.
Sorry, no example sentences found.