16 CFR §23.26
- (a)It is unfair or deceptive to mark or describe an industry product with the incorrect varietal name.
- (b)The following are examples of markings or descriptions that may be misleading:
- (1)Use of the term “yellow emerald” to describe golden beryl or heliodor.
- (2)Use of the term “green amethyst” to describe prasiolite.