A f ' SYSTEM OP MINERALOGY. BY ROBERT JAMESON, REGIUS professor of Ratsral niaTony, lecturer on mineraloGV, AND KEEPER OF THE MUSEUM IN TllE UNIVERSITY OF EDINBURGH; Fellow of the Royal and Antiquarian Societies of Edinburgh ; President of the Wernerian Natural History Society; Honorary Member of the Royal Irish Academy, and of the Honourable Dublin Society; Fellow of the Linnean and Geological Societies of London, and of the Royal Geological Society of Cornwall; Member of the Physical and Mineralogical Societies of Jena ; of the Society'of Natural History of Wetterau, 4 c. 4c. 4c SECOND EDITION. VOL. III. EDINBURGH j Printed by Neill 4 Company^ FOR ARCHIBALD CONSTABLE AND COMPANY, EDINBURGH; A*iH LONGMAN, HURST, REES, ORMF. & 8UOWN, LONDON. 1816.