Four Treasures Reference Database
Record No. 2125
Further notes on mono- and bi-phase inclusions in amethyst and topaz
Journal Article
Gübelin, E.J. (1977) Further notes on mono- and bi-phase inclusions in amethyst and topaz. Journal of Gemmology, Vol. 15, No. 6, April, pp. 289–294.
ISBN/ISSN: 221252 | RWHL
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quartz, topaz, inclusions, gems