acanthite

Etymology
Named in 1855, from, because of the crystal shapes.

Noun

 * 1)  A mineral form of silver sulfide, Ag2S, that is a major ore of silver, that forms slender prisms.

Translations

 * Finnish: akantiitti
 * French:
 * German:
 * Italian: acantite
 * Portuguese: acantita
 * Spanish: acantita