New play-of-color opal from Welo, Ethiopia.

Research areas:
Year:
2009
Authors:
  • Benjamin Rondeau
  • Francesco Mazzero
  • Eyassu Bekele
  • Fean-Pierre Gauthier
  • Emmanuel Fritsch
Journal:
GEMS & GEMOLOGY
Volume:
45
Number:
1
Pages:
59-60
Month:
SPR
ISSN:
0016-626X
BibTex: