MATT BEARD The Prudential Center in Newark will present the Cirque du Soleil show “Crystal,” June 16-19. The Prudential Center in Newark will present “Crystal,” a Cirque du Soleil show that blends circus art with ice skating, June 16-19. Tickets go on sale April 4 at 10 a.m., with pre-sales already having begun. Visit ticketmaster.com. According to Cirque du Soleil, this show “invites you to suspend reality and glide into a world that springs to colorful life with astounding visual projections and a soundtrack that seamlessly blends popular music with the signature sound of Cirque du Soleil. T…