ELEMENTS O F mineralogy. B Y RICHARD KIRWAN, Efq. F. R. S. & M. R. I. A. OF THE ACADEMIES OF STOCKHOLM, UPSAL, BERLIN, MANCHESTER, PHILADELPHIA, &C» ” _ SECOND EDITION, W I T H ( CONSIDEKABLE IMPROVEMENTS AND ADDITIONS. v O L. I. EARTHS and STONES. LONDON: PRINTEI) BY J. NICHOLS, POR I>. ELMSLY, IN TUE STR AN D, f M DCC XCIV!