Gemtube AU

The Gemtube AU is a Steven Universe x Youtubers crossover AU. It is @aphelion.ic’s largest AU as of 1 June 2017, and has since been discontinued.

This AU currently contains 16 characters. They include:

Generation 1 (8 characters)
 * Hiddenite
 * Rubellite
 * Hemimorphite
 * Blue Topaz
 * Hematite
 * Spiderweb Obsidian
 * Blue Lace Agate
 * Tourmalated Quartz

Generation 2 (3 characters)
 * Morganite
 * Wulfenite
 * Fire Opal

Generation 3 (4 characters)
 * Red Diamond
 * Red Pearl
 * Charoite
 * Realgar

Generation 4 (5 characters)
 * Hypersthene
 * Red Vesuvianite
 * Dumortierite
 * Larimar
 * Onyx 

Fusions can be found here.