Traditional Navajo Pottery is Covered with Pinon Tree Pitch. Originally this was to make it waterproof as the clay was not fired deep enough to form a true ceramic.
Color Banded Navajo Pottery is etched pottery incorporating bands of differing colors.
Etched Navajo Pottery is a poured ceramic which is the hand carved and painted.
Navajo Horsehair Pottery is a poured ceramic to which real horse hair is burned to create a pattern on the pot.