Olive-green Copper Ore

Rashleigh, P. (1797) Specimens of British Minerals Selected from the Cabinet of Phillip Rashleigh. London. Part 1: pl. 11, figure 2; part 2 (1802): pl. 6.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 859.