Reference | {Analytical Data:: JENNINGS AND OTHERS, 1993.}{Deposit:: JENNINGS, R.H., KAMMERLING, R.C., KOVALTCHONK, ANDRE, CALDERON, G.P., BAZ, M.K., AND KOIVULA, 1993, EMERALDS AND GREEN BERYLS OF UPPER EGYPT: GEMS AND GEMOLOGY, V. 29, NO. 2, P. 100-115} |