galena

English Thesaurus

1. soft blue-grey mineral; lead sulfide; a major source of lead (noun.substance)

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

substance holonym	:	atomic number 82, lead, pb,
definition	:	a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey (noun.substance)