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Ammoniojarosite from
Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria


05612760017864965139408.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
02650520017271980027976.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
04536080017271980135702.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
07768750017272054655514.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
08598800017368952375867.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
03545820017368952393934.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
04427060017368952402024.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
07768750017272054655514.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
06308450017271920923434.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
02650520017271980027976.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
04536080017271980135702.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
07768750017272054655514.jpg
Ammoniojarosite

Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
Locality type:Hill
Classification
Species:Ammoniojarosite
Formula:(NH4)Fe33+(SO4)2(OH)6
Comments:First found in 1981 by a Mr. F. Arthofer from Voitsberg (Postl, 1982). Found growing on lignite ("Braunkohle"), sulphur and/or gypsum.
Habit:groups or tufts of lustrous crystals; powdery
Colour:yellow-brown
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
SEM-EDS
Ion Microprobe
Infrared Spectroscopy
Associated Minerals Based on Photo Data:
Gypsum3
Data
Mineral Data:Click here to view Ammoniojarosite data
Locality Data:Click here to view Muttlkogel, Zangtal, Köflach - Voitsberg lignite deposit, Köflach, Voitsberg District, Styria, Austria
Photo GalleryView Gallery (6 photos)
Data Identifiers
Mindat Occurrence Record ID:266174
Long-form Identifier:1:3:266174:2
GUID (UUID V4):0
Nearest other occurrences of Ammoniojarosite
37.7km (23.4 miles) ⓘSeegraben mine, Leoben, Leoben District, Styria, Austria
References
Postl, W. (1982) Mineralogische Notizen aus der Steiermark. Die Eisenblüte: 3, N. F.: 5: 7-9.
Walter, Franz, Postl, Walter (1983) Ammoniojarosit und Voltait vom Muttlkogel, Zangtaler Kohlenrevier bei Voitsberg, Steiermark. Mitteilungen der Abteilung für Mineralogie am Landesmuseum Joanneum: 51: 29-32 (in German with English abstract).
 
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