Varieties of Enameledware
"Agate" ware is one trade name for the mottled ware, so named because it
somewhat resembles the
mottled appearance of the agate. It is a specially durable variety of enameled
"Granite" ware is another trade name for the gray mottled ware, so called
because pulverized granite is actually added to the "batch" and also because
its gray mottling somewhat resembles granite.