- Script
- Dan Mishkin; Gary Cohn
- Pencils
- Ernie Colón
- Inks
- Ernie Colón
- Colors
- Tom Ziuko
- Letters
- Ernie Colón; Todd Klein (series logo design)
- Editing
- Karen Berger; Dave Manak
- Job Number
- J-8173
- Genre
- fantasy-supernatural
- Characters
- Amethyst (introduction); Dark Opal (villain, introduction); Carnelian; Granch; Lord Sardonyx
- Synopsis
- Dark Opal has plans to conquer the Gemworld, but he knows Amethyst will be a great obstacle.
- Reprints
special insert between pages 13 & 14 of main story
- Script
- Paul Levitz
- Letters
- typeset
- Job Number
- L-1221
Letters submitted by Sara Greenblatt, Jef Peckham, and Neil Ahlquist.
Sequence also includes The Legion Checklist, Part One (chronological listing of Legion stories from 1958 through 1964).