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Mount Adams summit, Mount Adams, Yakima Co., Washington, USA

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Mineralization in andesite breccia associated with fumarole deposits, located at and near the summit and summit caldera.

Refs.:
- Huntting, M. (1956): Inventory of Washington Minerals, Part I, Nonmetallic Minerals, Vol. 1, p.134.
- Cannon, B. (1975): Minerals of Washington, p.40, 60, 77, 100, 120, 166.





 Map Reference: 46°12'9"N , 121°29'25"W

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Group 1 - Elements
  		• Sulphur1.CC.05
    S
     
    8
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Alunogen7.CB.45
    Al
     
    2
    		(SO
     
    4
    		)
     
    3
    		·17H
     
    2
    		O
  		• Blödite7.CC.50
    Na
     
    2
    		Mg(SO
     
    4
    		)
     
    2
    		·4H
     
    2
    		O
  		• Copiapite7.DB.35
    Fe
    2+
     
    		Fe
    3+
    4
    		[OH|(SO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 20H
     
    2
    		O
  		• Gypsum7.CD.40
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
  		• Mendozite7.CC.15
    NaAl(SO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
    Unclassified Minerals
  		• 'Alum Group'-
    XAl(SO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O


    7 entries listed. 6 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Washington, 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: 1st Nov 2009 14:52:57