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Felswatt, Helgoland Island, Schleswig-Holstein, Germany

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(Felswatt, Helgoland, Schleswig-Holstein, Deutschland)

An area on the north coast, with copper mineralizations in sandstones and mineralized vugs in limestones that form the basement of the island. Collecting in this area requires a permit that can be obtained from the local authorities.

Ref.:
A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001




Group 1 - Elements
  		• Copper1.AA.05
    Cu
    Group 2 - Sulphides and Sulfosalts
  		• Chalcocite2.BA.05
    Cu
     
    2
    		S
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Covellite2.CA.05a
    CuS
  		• Domeykite2.AA.10b
    Cu
     
    3
    		As
  		• Galena2.CD.10
    PbS
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
    Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
    Group 4 - Oxides and Hydroxides
  		• Cuprite4.AA.10
    Cu
     
    2
    		O
  		• Quartz4.DA.05
    SiO
     
    2
  		• Tenorite4.AB.10
    CuO
    Group 5 - Nitrates and Carbonates
  		• Azurite5.BA.05
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Malachite5.BA.10
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Celestine7.AD.35
    SrSO
     
    4
  		• Gypsum7.CD.40
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
    Group 9 - Silicates
  		• Chrysocolla9.ED.20
    (Cu,Al)
     
    2
    		H
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·nH
     
    2
    		O
  		• Shattuckite9.DB.40
    Cu
     
    5
    		[(OH)
     
    2
    		|(SiO
     
    3
    		)
     
    4
    		]


    19 entries listed. 19 valid minerals.

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