Talk:Garnet/@comment-32069753-20160104234327/@comment-26450183-20160105012049

GarnetBear, actually we don't have confirmation on that. The Guide to the Crystal Gems says that it is rare.

And in "The Answer" Garnet says that the Gems on the Cloud Arena hadn't seen a fusion of two Gem types, not any other Gem on Homeworld.

The odds a two different Gem types fusing some time before Ruby and Sapphire.