... probe analyses were provided by the Free University of Amsterdam and by NWO. the Netherlands Organization for Scientific Research. ... The financial support of the Foundation Stichting Dr. Schiirmannfonds is gratefully acknowledged. ... Aurisicchio C, Fioravanti C, Gruhessi O., Zanazzi P.F. (1988) Reappraisal of the crystal chemistry of heryl. ... Internal report, Sandawana Mines , Harare, Zimbabwe.
|Title||:||Gems and Gemology|