Artestia Spodumene Gemstone Pizza / Bread / Pastry Baking Stone, 15.75" X 11.8" Rectangle Spodumene Gemstone Pizza / Bread / Pastry Baking Stone by Artestia, 15.75" X 11.8" Rectangle Made from Spodumene Gemstone in premium quality, good for baking pizza/breads/pastries, it gives a crisper crust better than other baking tools. Bake like professional chef! Safe to use in oven, stovetop, can stand max temperature up to 700 F and also withstand thermal shock. Very easy to clean and maintain, simply wash with water and dish soap, wipe out water and let it air dry