[Him]

I like Angelite. Maybe that can be all three of them combined?

Chrysolla sounds like Agate and Jade together in my opinion. Harmony + Purification. sound like them. Okay so look through these and fin out which ones have words that describe the fusing gems well.

Also I have a theory for the weapons they use. I feel like the gem fusion will get a weapon based on the two style of the fusing gems weapons. For example:

Opal: Bow = Whip + Sword.

So in this case Amethyst's Whip is long ranged, While Pearl's sword is precise. Long-ranged + Precision = A bow.

Sugilite: Flail = Whip + Gauntlets. For this one, we add Garnet's smashing capabilities with Amethyst's Long ranged to ger a flail. Long-ranged + Smashing + Flail.

???: ???= Sword + Gauntlets. For the Gem Fusion of Pearl and Garnet we can speculate that whatever weapon it is, it's going to have the precision of the sword plus the destuctiveness of the gauntlets.

This is another thing to think about with the gem fusions. They weapons should also be fusions as well.