Four Treasures Reference Database
Record No. 5048
Tourmaline chatoyancy
Journal Article
Gübelin, E.J., Graziani, G. and Lucchesi, S. (1981) Tourmaline chatoyancy. Journal of The Gemmological Society of Japan [宝石学会誌], Vol. 8, No. 1–4, pp. 119–120.
tourmaline, cat’s eye, gems
