Four Treasures Reference Database
Record No. 2120
Das Smaragd-Alexandritvorkommen von Lake Manyara/Tansania
The emerald-alexandrite deposit of Lake Manyara/Tanzania
Journal Article
Gübelin, E.J. (1976) Das Smaragd-Alexandritvorkommen von Lake Manyara/Tansania. [The emerald-alexandrite deposit of Lake Manyara/Tanzania] Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 25, No. 3, pp. 130–147.
Sinkankas/Born No.: NIS/NIB | Language: in German | not seen
Close Abstract
Hide Keywords
Copy Reference
beryl, emerald, alexandrite, Tanzania, gems
Gübelin discusses the emerald and alexandrite occurrence at Lake Manyara in Tanzania, where chromium-bearing beryl and chrysoberyl occur together in the same gem-producing area. The paper concerns the geological and mineralogical character of the deposit and the properties of its emerald and alexandrite.