StacksVerified U.S. regulatory reference

16 CFR §23.26

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)It is unfair or deceptive to mark or describe an industry product with the incorrect varietal name.
  2. (b)The following are examples of markings or descriptions that may be misleading:
    1. (1)Use of the term “yellow emerald” to describe golden beryl or heliodor.
    2. (2)Use of the term “green amethyst” to describe prasiolite.