History of anthracite coal mining in Pennsylvania History of anthracite coal mining in Pennsylvania There are two types of coal found in Pennsylvania: anthracite (the “hard coal” found in Northeastern Pennsylvania below the Allegheny Ridge southwest to Harrisburg; also called “stone coal”, “rock coal” in the 1800s) and bituminous (“soft coal”, found west of the Allegheny Front escarpment). Anthracite coal is a natural mineral with a high carbon and energy content that gives off light and heat (produced energy) when burned, making it useful as a fuel. It was possibly first used in Pennsylvania as a fuel in 1769, but its real history begins with a documented
Portrait of a Man with a Blue Chaperon a fur lined brown jacket over a black undervest. His headdress, a chaperon, contains two wings which hang down over the man's shoulders and extend to his chest. The edges of the cloth are given a shredded look at the edges of their trains. The hood is brightly and dramatically coloured using pigment extracted from the expensive lapis lazuli gemstone to give it its bright, intense hue. The headdress is of a similar but less extravagant type to that seen in van Eyck's c. 1433 "Portrait of a Man", and worn by a figure in the distance in his c.