Infant Lead Poisoning Associated with Use of Tiro, an Eye Cosmetic .Aug 3, 2012 . An investigation found no lead exposure except for "tiro," a Nigerian .. One alternative to lead sulfide is another toxic compound, antimony.lead sulfide word,Galena definition and meaning | Collins English DictionaryWord origin of 'galena'. C17: from Latin: lead ore, dross left after melting lead . a soft, lead-gray, very heavy, crystalline mineral, lead sulfide, PbS, with a bright.
lead sulfide word