A new source of play-of-color opal at Wegel Tena, Wollo, Ethiopia
- Research areas:
- Year:
- 2010
- Authors:
-
- Benjamin Rondeau
- E. FRITSCH
- J-P. GAUTHIER
- F. MAZZERO
- B. CENKI-TOK
- E. BEKELE
- E. GAILLOU
- Journal:
- Gems & Gemology,
- Volume:
- 46
- Pages:
- 90-102
- BibTex: