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Fluorite may occur as a vein deposit, especially with metallic minerals, where it often forms a part of the gangue (the worthless `host-rock' in which valuable minerals occur) and may be associated with galena, sphalerite, barite, quartz and calcite. It is a common mineral in deposits of pneumatolytic origin and has been noted as a primary mineral in granites and other igneous rocks.
Fluorite is a widely occurring mineral which is found in large deposits in many areas. Notable deposits occur in Germany, Austria, Switzerland, England, Norway, MexicoThis article is about the country Mexico. For other meanings, see Mexico (disambiguation The United Mexican States or Mexico ( Spanish: Estados Unidos Mexicanos or Mexico regarding the use of the variant spelling Mejico see section The name below) is a co, and OntarioOntario ( In Detail) ( In Detail) Motto: Ut Incepit Fidelis Sic Permanet (Loyal she began, loyal she remains Capital Toronto Largest City Toronto Area Total % fresh water 4th largest(2nd lgst prov. 1 076 395 kmē 14. 7% Population Total (2001) Density Rank in CanadaCanada historically the Dominion of Canada is the second-largest, and northernmost, country in the world. It is a decentralized federation of 10 provinces and 3 territories, governed as a constitutional monarchy, and formed in 1867 through an act of Confe. In the United StatesThe United States of America also referred to as the United States U. America đ or the States is a federal republic in central North America, stretching from the Atlantic in the east to the Pacific Ocean in the west. It shares land borders with Canada in deposits are found in MissouriMissouri named after the Missouri Siouan Indian tribe meaning "canoe", is a Midwestern state of the United States with Jefferson City as its capital. The state's nickname is the State the U. Post Office abbreviation for Missouri is MO and the state public, OklahomaOklahoma ( In Detail) (Full size) State nickname: Sooner State Other U. States Capital Oklahoma City Largest City Oklahoma City Governor Brad Henry Area Total Land Water % water Ranked 20th 181,196 kmē 178,023 kmē 3,173 kmē 1. 8% Population Total ( 2000), IllinoisIllinois is a state in the United States named after the Illiniwek Indian tribe, which used to live there. The capital of Illinois is Springfield and the U. postal abbreviation for the state is IL . Illinois is pronounced ill-len-NOY, or jokingly, ill-len, KentuckyCommonwealth of Kentucky ( In Detail) (Full size) State nickname: Bluegrass State Other U. States Capital Frankfort Largest City Louisville Governor Ernie Fletcher Area Total Land Water % water Ranked 37th 104,749 kmē 102,989 kmē 1,760 kmē 1. 7% Populatio, Colorado, New Mexico, Arizona, Ohio, New Hampshire, and New York.