Answer:

galena

Answer	Crossword Clue
GALENA	Lead ore
GALENA	Principal source of lead
GALENA	Lead source

GALENA	Lead ore that is also the name of an Illinois town
GALENA	Lead suflide
GALENA	Ore
GALENA	Principal ore of lead
GALENA	Lead ore.
GALENA	Lead sulfide.
GALENA	Ore of lead.
GALENA	Grant's Illinois home.

GALENA	Grant's home for a time.
GALENA	Ore.
GALENA	City in Kansas
GALENA	Ore of lead
GALENA	Chief ore of lead
GALENA	Lead sulfide
GALENA	Grant's home in Ill.
GALENA	PbS

GALENA	Ore used for old radio crystals
GALENA	Lead provider
GALENA	Soft, blue-gray mineral
GALENA	Soft blue-gray mineral
GALENA	Certain ore
GALENA	Blue-gray mineral
GALENA	Lead's principal ore
GALENA	Lead-bearing ore

GALENA	Main ore of lead