Traditional Molcajetes are made with lava stone. They have been used in authentic Mexican cooking for millennia to grind chilies, spices and to make delicious salsas, guacamoles and adobos. A Molcajete is similar to a mortar, but made of very lasting, heavy lava stone that gives a special texture and flavour to Mexican dishes. Very heavy and super decorative. I can't not make a roasted salsa without one of these!