argentite

English Thesaurus

1. a valuable silver ore consisting of silver sulfide (Ag2S) (noun.substance)

hypernym	:	mineral,
definition	:	solid homogeneous inorganic substances occurring in nature having a definite chemical composition (noun.substance)

substance holonym	:	ag, atomic number 47, silver,
definition	:	a soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography (noun.substance)