Four Treasures Reference Database
Record No. 27565
Southern African gem minerals: mtorolite
Journal Article
Campbell, I.C.C. (1995) Southern African gem minerals: mtorolite. South African Gemmologist, Vol. 9, No. 1, pp. 19–22.
not seen
gems, quartz, agate, chalcedony, mtorolite, chrome chalcedony, Rhodesia, Zimbabwe