of azurite or carbonate of copper, small nodules of which they collect at copper mines. This pigment is used in painting and decorating wooden images and gods.
93. (40717). Mortar similar to the above, and used for the same purpose.
94. (40718). Paint mortar made from a large irregularly round ferruginous sandstone. Used in pulverizing a reddish pigment for decorating pottery.
95. (40719). Mortar of a globular shape, made from a coarse-grained sandstone, used for grinding or mixing vermilion.
96. (40720). Paint mortar of sandstone. The whole mortar is only about an inch thick; made from a section of an old metate rubber.
97. (40722). Paint mortar of quartzite; blue pigment grinder. Size about four by three inches. This, like many of the flat mortars, has been first used as a rubbing stone and subsequently converted into a paint mortar.
98. (40723). Mortar made from a quartz boulder.
99. (40724). Sandstone mortar.
100. (40725). Paint mortar of sandstone, very flat.
101. (40726). Paint mortar, with oblong shallow depression; sandstone.