Description of a Triple Sulphuret, of Lead, Antimony, and Copper, from Cornwall; with Some Observations upon the Various Modes of Attraction which Influence the Formation of Mineral Substances, and upon the Different Kinds of Sulphuret of Copper. [Abstract] [abstract]

Count de Bournon
1800 Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London