Anthracite Cornwall, which was used as a pigment. The term is also used to refer to some Carboniferous rock strata found in both Britain and in the Rhenish hill countries (the Culm Measures). Lastly, it may refer to coal exported from Britain during the 19th century. In American English, "culm" refers to the waste or slack from anthracite mining, mostly dust and small pieces not suitable for use in home furnaces. Anthracite is similar in appearance to the mineraloid jet and is sometimes used as a jet imitation. Anthracite differs from ordinary bituminous coal by its greater hardness (2.75–3 on the
Siberian Anthracite a part of the Alltech Group, which is the majority shareholder. The company is led by CEO Anastasia Poprygaeva. Siberian Anthracite dates back to the mid-1970s, having been founded in 1974 to supply a number of Soviet enterprises producing electrodes and metallurgical and ferroalloy plants. The company's assets were restructured in 2001 as CJSC Siberian Anthracite. In 2011, it was reported that the company planned to list its shares in London. Siberian Anthracite was a founder member of Novosibirsk-based professional ice-hockey club Sibir, and continues to sponsor the club. Siberian Anthracite Siberian Anthracite () is Russia's largest producer of ultra