Answer: leadore

AnswerCrossword Clue
LEADORE

Galena, for one

LEADORE

Cerussite or wulfenite

LEADORE

Galena is the principal one

LEADORE
Galena
LEADORE
Heavy-metal source
LEADOREGalena, for example
LEADOREGalena, e.g.
LEADOREGalena or anglesite
LEADOREMaterial for a slag furnace
LEADORESlag furnace input
LEADORECerussite, e.g.
LEADOREGalena or cerussite