Anh
black lead
natural graphite
plumbago
Đức
Reissblei
Wasserblei
natuerlicher Graphit
Pháp
graphite naturel
mine d plomb
plombagine
Reissblei,Wasserblei,natuerlicher Graphit /INDUSTRY-CHEM/
[DE] Reissblei; Wasserblei; natuerlicher Graphit
[EN] black lead; natural graphite; plumbago
[FR] graphite naturel; mine d plomb; plombagine