The stone is about 5/8th of an inch in thickness and weighs a little above 10 pounds which is ideal for cooking large sized pizza crusts evenly. Product Review: Pizzacraft PC9899 20 x 13.5 Rectangular Pizza Stone. With a PizzaCraft pizza stone, you can make your pizza’s taste great and just like the ones baked in a brick-lined oven. The 15-inch framework is made of the same firebrick material as what you’d find in any professional pizzeria. Read honest and unbiased product reviews … Find helpful customer reviews and review ratings for Pizzacraft 16.5" Round Cordierite Baking/Pizza Stone - For Oven or Grill - PC9898 at Amazon.com. The key to a great pizza stone is its ability to retain heat, and this stone does a great job of it because it is so thick. The PizzaCraft Pizza stone is one of the most sold pizza stones. Pizzacraft Square Pizza Stone is one of the best picks for any homeowner who’s looking for a standard, practical and affordable pizza stone. The Best Baking Stones & Baking Steels | Cook's Illustrated This pizza stone for the grill comes in several sizes and shapes, but they all have the same features and give the same result.