Yuang Yang is a small town in Yunnan Province where mineral dealers frequently offer Vietnamese specimens.
For instance, this place was given as the locality for a find of emerald-green fluor-cannilloites (?). These specimens actually come from Luc Yen
http://www.mindat.org/loc-6947.html), in the bordering Yenbai Province of Vietnam.
Ref: Eugeni Bareche (2007) An Phu, Luc Yen, Vietnam. Revista de Minerales (Barcelona), 2007/2, 26-29.
Note: "Yueng Yang" is a mis-nomer frequently found on german websites.
1 entry listed. 1 erroneous literature entry.