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
What Really Happened to the Class of '65? What Really Happened to the Class of '65? What Really Happened to the Class of '65? is a 1976 non-fiction book by Michael Medved and David Wallechinsky. Inspired by a 1965 "Time" magazine article, the authors follow up on the people of Palisades High School mentioned in the article, and the book mainly consists of that follow-up. There was at least one sequel, continuing the story from the point of view of a decade or more later. The book was later adapted into an anthology television series of the same name that aired on NBC from December 1977 to July