Bellbridge Rialto Limestone 5221/2 shown with chair used as prop. October 20, 2014 by Valerie Jones Bellbridge Rialto Limestone 5221/2 shown with chair used as prop. Rialto is cut/loop wilton fabricated with 50% tencel and 50% wool yarns in colors of white and lt camel. The yarns create a design motif that resembles interconnected circles.