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In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
This list of mines in California is subsidiary to the list of mines article and lists working, defunct and future mines in the U.S. state of California. It is organized by the primary mineral output. For practical purposes stone, marble and other quarries may be included in this list.
In 2008, Chevron sold the mine to privately-held Molycorp Minerals LLC, a company formed to revive the Mountain Pass mine. Molycorp announced plans to spend $500 million to reopen and expand the mine, and on July 29, 2010, it raised about $400 million through an initial public offering , selling 28,125,000 shares at $14 under the ticker symbol ...
IMC Global (also known as International Minerals and Chemical Corporation and Imcera) was a mining and production company, formerly listed on the S&P MidCap 400. [2] It was founded in 1909 as International Agricultural Corporation. [ 3 ]
Compass Minerals International, Inc is an American public company that, through its subsidiaries, is a leading producer of minerals, including salt, magnesium chloride and sulfate of potash. Based in Overland Park, Kansas ; the company provides bulk treated and untreated highway deicing salt to customers in North America and the United Kingdom ...
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Hanna also acquired interests in mineral companies in Latin America as well as beginning the mining of nickel in Oregon and silicon in Washington. In 1958 Hanna's subsidiary, the Hanna Coal & Ore Company, became the independent Hanna Mining Company while M. A. Hanna continued with mineral sales and in its investment firm work until liquidation ...
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