Anthracite Mohs scale), its higher relative density of 1.3–1.4, and luster, which is often semi-metallic with a mildly brown reflection. It contains a high percentage of fixed carbon and a low percentage of volatile matter. It is also free from included soft or fibrous notches and does not soil the fingers when rubbed. Anthracitization is the transformation of bituminous coal into anthracite. The moisture content of fresh-mined anthracite generally is less than 15 percent. The heat content of anthracite ranges from 22 to 28 million Btu per short ton (26 to 33 MJ/kg) on a moist, mineral-matter-free basis. The heat content
A Star Is Burns launch "The Critic" on Fox, and he thought having a film festival in Springfield would be a good way to introduce Sherman. After Brooks pitched the episode, the script was written by Ken Keeler. Although David Mirkin was executive producer for most of the sixth season, the episode was executive produced by Al Jean and Mike Reiss. Jay Sherman's appearance was Simpsonized: he was made yellow and given an overbite. The episode contains a meta-reference to the fact that it is a crossover episode in a conversation Bart has with Sherman: The joke was pitched by Al Jean. Alongside Jon