51320
Author
Koivula, John I.; Fryer, C.W.
Author Affiliation
Gemological Institute of America. Santa Monica. Applied Gemology Department;Gemological Institute of America. Santa Monica. Applied Gemology Department
Title Of Article Chaper
Green opal from East Africa
Title Of Journal Book
Gems & gemology
Pages
226-227
Language Of Text
English
Literature Type
Serial
Literature Level
Analytic
Abstract
Bright green, nickeliferous, gem-quality opal from Tanzania, East Africa, is described and its gemological properties are given. Chemical analyses and structural data are provided as well. -- AATA
Keywords
Opal Analysis;Opal Green Tanzania AATA
pub_id
51320