Board Thread:General Discussion/@comment-26448522-20150602222532/@comment-508329-20150603000141

AngelRedblade wrote: Has Rebecca Sugar talked about what a gem feels like.

Yes.

Q: Do Gems have a soft and warm skin like humans do? A: They can if they want to!

Source:
 * http://www.reddit.com/r/IAmA/comments/2e4gmx/i_am_rebecca_sugar_creator_of_steven_universe_and
 * http://pastebin.com/TJadRsiB