M. O’Donoghue

Blue euclase from Zimbabwe — a review

Harding, rr, M. O’Donoghue, 2014 .

GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN

E. Stern, E. Bruton, A. French, 2014 .

Recent Developments in the Synthesis of Possible Gem Materials

M. O’Donoghue, 1976 .