Board Thread:News and Announcements/@comment-37272354-20181203232212/@comment-32798456-20181209234001

ARandomUser1234 wrote: Tourmalines have triangular gems, seen with Watermelon Tourmaline.

Gems of the same type don't all have the same cut. Just look at Jasper and the Beta Jaspers. Or the Pearls (but they're customized, so that probably explains it).