These are smaller big pieces of anthracite coal from Pennsylvania. They are sold in one pound bags. Anthracite coal, or hard coal, has the highest carbon content, the greatest hardness, and the fewest impurities. The small, big pieces of coal is a random assortment of "stove coal" and "egg coal". Stove and Egg are measurements of size, not content. The standard sizing of the smaller, big pieces of coal is 1 9/16 to 3 1/4 inches. Some random pieces weighed between 0.1 and 1 pound. ...