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Erongo Mountain, Usakos and Omaruru Districts, Erongo Region, Namibia

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The Erongo Mountain is 20 km north of the town of Usakos. Usakos is 140 km from Swakopmund on the highway between Swakopmund and Windhoek. The Erongo mountain is 65 km in diameter and stretches from Usakos to the town of Omaruru in the north.




Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
    Group 4 - Oxides and Hydroxides
  		• Cassiterite4.DB.05
    SnO
     
    2
  		• Hematite4.CB.05
    Fe
     
    2
    		O
     
    3
  		• Opal
    var: Opal-AN    		4.DA.10
    SiO
     
    2
    		·nH
     
    2
    		O
  		• Quartz4.DA.05
    SiO
     
    2
      var: Amethyst4.DA.05
    SiO
     
    2
      var: Smoky Quartz4.DA.05
    SiO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Siderite5.AB.05
    FeCO
     
    3
    Group 6 - Borates
  		• Jeremejevite6.AB.15
    Al
     
    6
    		[(F,OH)
     
    3
    		|(BO
     
    3
    		)
     
    5
    		]
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Scheelite7.GA.05
    Ca[WO
     
    4
    		]
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Apatite-(CaF)8.BN.05
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
  		• Metanováčekite8.EB.10
    Mg(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 4-8H
     
    2
    		O
  		• Metazeunerite8.EB.10
    Cu(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
  		• Segnitite8.BL.10
    PbFe
    3+
    3
    		[(OH,H
     
    2
    		O)
     
    6
    		|(AsO
     
    4
    		)
     
    2
    		]
  		• Torbernite8.EB.05
    Cu(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    Group 9 - Silicates
  		• Albite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
  		• Beryl9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
      var: Aquamarine9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
      var: Goshenite9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
  		• Biotite9..
  		• Foitite9.CK.05
    [ ][Fe
    2+
    2
    		(Al,Fe
    3+
     
    		)][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Muscovite9.EC.15
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Pollucite9.GB.05
    (Cs,Na)
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
  		• Schorl9.CK.05
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
  		• Topaz9.AF.35
    Al
     
    2
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]
  		• Zinnwaldite9.EC.20
    KLiFe
    2+
     
    		Al[(F,OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Unclassified Minerals
  		• 'Columbite-Tantalite'-
  		• 'Grandite'-


    29 entries listed. 25 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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: 15th Nov 2009 22:13:19