This section is from the book "Materia Medica And Therapeutics Inorganic Substances", by Charles D. F. Phillips. Also available from Amazon: Materia medica and therapeutics.
This metal, rarely found in its native state, occurs more often combined with sulphur or oxygen. Its commonest ore is galena, a glistening gray sulphide, PbS, from which the metal is obtained by roasting it in a current of air; it is not used in medicine.
 
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