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The article discusses the vermiculite industry as of July 2014. Topics include vermiculite mining from surface deposits, vermiculite processing through wet screening or air winnowing, producers such as the company Brasil Minerios, production and consumption trends in North America, prices, and horticultural uses.

The article focuses on the mining and sale of vermiculite by mineral industries companies in 2012. The dominance of the companies Rio Tinto and Brasil Minerios in the vermiculite market is discussed, and it is noted they produced 49 percent of the mineral sold in 2012. The use of vermiculite in potting soil for horticulture and in fire protection equipment is discussed.

The article discusses the vermiculite, a hydrated mica based on either biotite or phlogopite that is concentrated and shipped to exfoliators or exopanders. It states that vermiculite is excavated from shallow surface deposits all over the world. It also mentions that the two biggest manufacturers of vermiculite are Rio Tinto PLC in Great Britain and Palabora Mining Co. in South Africa.

The article discusses the latest developments in the global vermiculite industry as of June 2011. It defines vermiculite as a hydrated mica. It cites that the two biggest global producers of vermiculite are Rio Tinto and Samrec Vermiculite Ltd., a subsidiary of Imerys Industrial Minerals. In North America, the leading producers are Virginia Vermiculite and WR Grace & Co. Vermiculite is mainly used in the horticulture and fire protection industries.

The article reports on the global market performance of vermiculite in 2009. There was a decline of 9 percent in the worldwide usage of vermiculite from 2008 to 2009. Vermiculite is produced by several companies including Australian Vermiculite Industries Pty. Ltd. in Western Australia, Samrec Vermiculite Ltd. in Zimbabwe, and Xinjiang Yuli Xinlong Vermiculite in China. Primary uses for vermiculite are reportedly in horticultural and fire protection applications.

The article presents information on the market for vermiculite in the U.S. In 2006, worldwide vermiculite production remained flat at approximately 520 kt. Vermiculite is used in horticultural and fire protection applications. Prices for domestic U.S. vermiculite concentrate, explant, depending on sized grades ranged from $95 to $180/t.

The article offers information on the U.S. production, consumption and trade of vermiculite in 2008. Information on the chemical characteristics of vermiculite is presented. According to the author, the largest producers of the mineral, which can be mined throughout the world, include Rio Tinto plc and Palabora Mining Co. In North America, vermiculite production fell 1 percent, but imports into the country increase 6 percent.

The article provides information on the production and consumption of vermiculite, which is mined from shallow surface deposits throughout the world. All commercial vermiculite is formed by surface weathering of either biotite or phylogopyte micas. The producers of vermiculite are cited. In 2007, worldwide vermiculite production increased by 3.7 percent and it occurred at mines in South Africa, the U.S. and China. Primary uses for the mineral are in horticultural and fire protection applications. Pries for domestic U.S. vermiculite concentrate are cited.

Discusses industrial issues concerning the industrial mineral, vermiculite, in the U.S. in 2003. Vermiculite production in North America; Uses for vermiculite; Prices for domestic vermiculite concentrate.