Whether my champ guess is good or not, here's why I think swirl: as well as I can tell without having it in hand, it looks like that yellow ribbon (with its white ribbon sidekick) takes the form of one continuous stream.
My $.02
I think I may have one of those!
Fractured. But still ....
It was one of my mysteries from last night, and there were sufficient numbers of other Alleys to make it seem possible.
Is this a rebel?
Black aventurine, and red and white ... with a little clear area that you can see a bit of on the left.
It's in nice shape. Ignore the fiber on top.
Not quite a peewee.