bákrov copper, cupric
bákrov oksid cupric oxide
bákrov sulfat copper sulphate, blue vitriol
kŕšec mineralogija
železov kŕšec iron pyrites
bakrov kŕšec copper pyrites
sulfát kemija sulphate
natrijev (kalijev) sulfát sulphate of sodium (of potash)
svinčev sulfát sulphate of lead
bakrov sulfát copper sulphate