Bertha shaft, Neue Hoffnung Mine, Bleialf, Prüm, Eifel, Rhineland-Palatinate, Germany

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Bertha-Schacht, Grube Neue Hoffnung, Bleialf, Prüm, Eifel, Rheinland-Pfalz, Deutschland

Ancient lead mine.
Known for an assemblage of minerals originaing from the use of fire-setting methods in ore mining.

References

- Graf, H.-W. (1991): Die Grube 'Neue Hoffnung' zu Bleialf/Eifel. Lapis 16(2), 13-18, 58.
- Wittern, A. (1994): Sekundärmineralien durch Feuersetzen in Oberschulenberg, Bönkhausen, Bleialf und Badenweiler. Der Aufschluss 45, 36-42. (in German)
- Kolitsch, U. and Tillmanns, E. (2003): The crystal structure of anthropogenic Pb2(OH)3(NO3), and a review of Pb-(O,OH) clusters and lead nitrates. Mineral. Mag. 67, 79-93.

External Links

http://www.geomontanus.com/seiten/bleialf_lagerst.htm

Mineral List

Acanthite Anglesite Ankerite Aragonite Aurichalcite Azurite Baryte Brochantite Caledonite Cerussite Chalcanthite Chalcocite Chalcopyrite

Copper Corkite Covellite Cuprite Dickite Digenite Dolomite Drugmanite Elyite Galena Goethite Gypsum Hydrocerussite

Jarosite Kaolinite Lanarkite Langite Leadhillite Limonite Linarite Malachite Massicot Mimetite Minium Oxyplumboroméite Plumbojarosite

Posnjakite Pyrite Pyromorphite Quartz Roméite Group Serpierite Siderite Sphalerite Sulphur Tenorite Tetrahedrite 'Unnamed (Pb13O8(OH)6(NO3)4)' 'Wad'

52 entries listed. 48 valid minerals.