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Jeremias Glück Mine (Fairy Grotto; Feengrotte), Garnsdorf, Saalfeld, Thuringia, Germany

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(Grube Jeremias Glück (Feengrotten), Garnsdorf, Saalfeld, Thüringen, Deutschland)

In the late 19th and early 20th centuries, the mine was worked for silurian alum shales used as a raw material for the production of sulphuric acid. Around 1915, in order to preserve the coloured sulphate sinters formed by decomposition of pyrite and marcasite, the underground workings were transformed into a visitor's grotto.
Located at Garnsdorf, 2 km SW of Saalfeld.



References:
- Palache, C., Berman, H., & Frondel, C. (1951): The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1012.
- Rüger, F., Witzke, T., Grunewald, W., Langhammer, D., Senf, L. (1994): Die Saalfelder Feengrotten - eine mineralogische Kostbarkeit Deutschlands. Saalfelder Feengrotten, Geschichte, Geologie, Mineralien. Saalfeld, Germany, 25-51.
- Rüger, F., Senf, L. & Witzke, T. (1995): "Die Saalfelder Feengrotten: Seltene Sekundärmineralien aus Thüringen". Lapis 20(1), 15-26.

- http://www.feengrotten.de/





Mineral List:
  		•  Allophane
    (Al
     
    2
    		O
     
    3
    		)(SiO
     
    2
    		)
     
    1.3-2
    		·2.5-3H
     
    2
    		O
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  'Alum Group'
    XAl(SO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    Reference: [Wittern: "Mineralfundorte in Deutschland", 2001]
  		•  Aragonite
    CaCO
     
    3
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  Baryte
    BaSO
     
    4
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  Brochantite
    Cu
     
    4
    		[(OH)
     
    6
    		|SO
     
    4
    		]
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  Brushite
    CaHPO
     
    4
    		·2H
     
    2
    		O
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  Destinezite
    Fe
    3+
    2
    		[OH|SO
     
    4
    		|PO
     
    4
    		]·6H
     
    2
    		O
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  Diadochite
    Fe
    3+
    2
    		(PO
     
    4
    		)(SO
     
    4
    		)(OH)·5H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1012.]
  		•  Dypingite
    Mg
     
    5
    		[OH|(CO
     
    3
    		)
     
    2
    		]
     
    2
    		 · 5H
     
    2
    		O
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
    Site Photo
    Jeremias Glück Mine (Fairy Grotto; Feengrotte), Garnsdorf, Saalfeld, Thuringia, Germany
    © Thomas Witzke
  		•  Epsomite
    MgSO
     
    4
    		·7H
     
    2
    		O
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  Marcasite
    FeS
     
    2
    Reference: [Wittern: "Mineralfundorte in Deutschland", 2001]
  		•  Melanterite
    FeSO
     
    4
    		·7H
     
    2
    		O
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  Monohydrocalcite
    CaCO
     
    3
    		·H
     
    2
    		O
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  'Paraluminite
    var: Pissophanite'
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 587.]
  		•  Pitticite
    [Fe, SO
     
    4
    		, AsO
     
    4
    		, H
     
    2
    		O] ?
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
  		•  Pyrite
    FeS
     
    2
    Reference: [Wittern: "Mineralfundorte in Deutschland", 2001]
  		•  Rapidcreekite
    Ca
     
    2
    		[CO
     
    3
    		|SO
     
    4
    		] · 4H
     
    2
    		O
    Reference: [Rüger, F.; Senf, L. & Witzke, T. (1995): Die Saalfelder Feengrotten: Seltene Sekundärmineralien aus Thüringen.- Lapis 20, 1, 15-26]
    Site Photo
    Jeremias Glück Mine (Fairy Grotto; Feengrotte), Garnsdorf, Saalfeld, Thuringia, Germany
    © Thomas Witzke
  		•  Sasaite
    (Al,Fe
    3+
     
    		)
     
    14
    		[(OH)
     
    7
    		|SO
     
    4
    		|(PO
     
    4
    		)
     
    11
    		] · 83H
     
    2
    		O
    Reference: [Wittern: "Mineralfundorte in Deutschland", 2001]
  		•  Schwertmannite
    Fe
    3+
    16
    		O
     
    16
    		(OH,SO
     
    4
    		)
     
    12-13
    		 · 10-12H
     
    2
    		O
    Reference: [XRD analysis (T. Witzke)]
    Site Photo
    Jeremias Glück Mine (Fairy Grotto; Feengrotte), Garnsdorf, Saalfeld, Thuringia, Germany
    © Thomas Witzke
  		•  Vashegyite
    Al
     
    11
    		[(OH)
     
    6
    		|(PO
     
    4
    		)
     
    9
    		] · 38H
     
    2
    		O
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]
    Site Photo
    Jeremias Glück Mine (Fairy Grotto; Feengrotte), Garnsdorf, Saalfeld, Thuringia, Germany
    © Thomas Witzke
  		•  Volborthite
    Cu
     
    3
    		[(OH)
     
    2
    		|V
     
    2
    		O
     
    7
    		] · 2H
     
    2
    		O
    Reference: [F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26]


    22 entries listed. 19 valid minerals.

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