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Eureka Tunnel (1-15 pegmatite), St Peters Dome, Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA

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REF:Deposit:: PEARL, R.M., 1972, COLORADO GEM TRAILS AND MINERAL GUIDE:
Deposit:: CHICAGO, SWALLOW PRESS, 222P.
Commodities (Major) - Fluorine-Fluorite; (Minor) - Zirconium
Development Status: Past Producer





 Map Reference: 38°45'7"N , 104°54'16"W

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Mineral List:
  		•  Bertrandite
    Be
     
    4
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Am Min 51:299-323]
  		•  Cryolite
    Na
     
    3
    		[AlF
     
    6
    		]
    Reference: [Am Min 51:299-323]
  		•  Elpasolite
    NaK
     
    2
    		[AlF
     
    6
    		]
    Reference: [Am Min 51:299-323]
  		•  Fluorite
    CaF
     
    2
    Reference: [Minerals of Colorado (1997) Eckels, E. B.]
  		•  Gearksutite
    Ca[Al(F,OH)
     
    5
    		(H
     
    2
    		O)]
    Reference: [Am Min 51:299-323]
  		•  Nacrite
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [Minerals of Colorado (1997) Eckels, E. B.]
  		•  Pachnolite
    NaCaAlF
     
    6
    		·H
     
    2
    		O
    Reference: [Minerals of Colorado (1997) Eckels, E. B.; Am Min 51:299-323]
  		•  Prosopite
    CaAl
     
    2
    		(F,OH)
     
    8
    Reference: [Minerals of Colorado (1997) Eckels, E. B.; Am Min 51:299-323]
  		•  Ralstonite
    NaMgAl(F,OH)
     
    6
    		·H
     
    2
    		O
    Reference: [Am Min 51:299-323]
  		•  Rutile
    TiO
     
    2
    Reference: [Minerals of Colorado (1997) Eckels, E. B.]
  		•  Thomsenolite
    NaCaAlF
     
    6
    		·H
     
    2
    		O
    Reference: [Minerals of Colorado (1997) Eckels, E. B.; Am Min 51:299-323]
  		•  Weberite
    Na
     
    2
    		Mg[F|AlF
     
    6
    		]
    Reference: [Minerals of Colorado (1997) Eckels, E. B.; Am Min 51:299-323]
    Site Photo
    Eureka Tunnel (1-15 pegmatite), St Peters Dome, Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA
    © Pavel M. Kartashov
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Am Min 51:299-323]
    Site Photo
    Eureka Tunnel (1-15 pegmatite), St Peters Dome, Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA
    © D. Allum


    13 entries listed. 13 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Colorado, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 29th Nov 2009 18:21:26