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
Gráinne (given name) Gráinne (given name) Gráinne is a feminine given name in the Irish language. The name is of an uncertain origin, although it is possible that it may be connected with the word "Ghrian", meaning "the Sun". In Irish legend, Deorghrianne (a Tear of the Sun), is the daughter of Fiachna, Son of Betach. The name is also borne by a famed character in Irish mythology—Gráinne, who was the daughter of Cormac mac Airt, a legendary High King of Ireland. The name can be Latinised as "Grania"; and can be Anglicised as "Granya". The name "Gráinne" can also be represented in