Flux inclusions

Flux inclusions

Inclusions, which are produce by hydrothermal synthetic emeralds by presence of wispy or veillike groups, manufactured by Chatham, Gilson, and Zerfass. That is an unmistakable characteristic of flux-fusion or flux-melt method.

See Alexandrite Tsarstone collectors guide, Definition of Flux inclusions, http://w.alexandrite.com/viewpage.html?id=GG-091-00003 (Inclusions, which are produce by hydrothermal synthetic emeralds by presence of wispy or veillike groups, manufactured by Chatham, Gilson, and Zerfass. That is an unmistakable characteristic of flux-fusion or flux-melt method.) (as of May. 31, 2026, 09:27 GMT).