Citations:gemling

Noun: "(Steven Universe fandom slang) a fan-created child of a Crystal Gem"

 * 2020, Jake Pitre, "Queer Transformation, Contested Authorship, and Fluid Fandom", in Representation in Steven Universe (eds. John R. Ziegler & Leah Richards), page 40:
 * She does normally take art commissions, however, and she has a long FAQ section devoted to what she will and will not draw (e.g., she doesn't draw “gemlings”—children of two adult Gems).