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Manganese Dendrites

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A variety of Manganese Oxides

Black dendritic films of various visually indistinguishable black manganese oxides, may consist of Birnessite, Coronadite, Cryptomelane, Hollandite, Romanèchite, Todorokite or other species. Many manganese minerals have similar strong x-ray lines and line-broadening can make x-ray diffraction identification ineffectual. Potter and Rossman (1979) have found that infra-red spectroscopy has been helpful in verifying some dendrite mineralogy. Currently, there are no known manganese dendrites in the world which contain Pyrolusite.

Classification of Manganese Dendrites URL:
Please feel free to link to this page.

Other Names for Manganese Dendrites

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Manganese Dendrites

Reference List:
Science (1977) 196: 1446-1448
Potter, R. & Rossman, G. (1979) Mineralogy of Manganese Dendrites and Coatings. Am.Min. 64: 1219-1226

Internet Links for Manganese Dendrites

Localities for Manganese Dendrites

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
  • Catamarca
    • Antofagasta de la Sierra Department
Raúl Jorge Tauber Larry
  • Jujuy
    • El Carmen Department
Raúl Jorge Tauber Larry
Raúl Jorge Tauber Larry
  • San Luis
    • Coronel Pringles Department
Raúl Jorge Tauber Larry; Hugo A. Peña (1970): Minerales y rocas de aplicación de la Provincia de Tucumán. Secretaría de Estado de Comercio, Industria y Minería. Dirección Provincial de Minas. Tucumán. República Argentina.
Hugo A. Peña (1970). Minerales y rocas de aplicación de la Provincia de Tucumán. Dirección Provincial de Minas. Tucumán.
Ávila, J.C., Gozalvez, M.E. y Sardi, F.G., 1992. Los nódulos de manganeso de Tucumán.Su comparación con los de los fondos del Océano Pacífico. 1ra Reunión de Mineralogía y Metalogenia y 1ra Jornada de Mineralogía, Petrografía y Metalogénesis de Rocas Ultrabásicas. Instituto de Recursos Minerales, UNLP. Publicación 2: 35-44.
    • Tafí del Valle Department
      • Cerro Pichao
Raúl Jorge Tauber Larry
Raúl J. Tauber Larry´s collection
Raúl J. Tauber Larry´s collection
Raúl J. Tauber Larry´s collection
Raúl Jorge Tauber Larry
Raúl J. Tauber Larry
Raúl J. Tauber Larry; Raúl J. Tauber Larry´s collection
Raúl J. Tauber Larry´s collection (2014)
Raúl Jorge Tauber Larry
  • Northern Territory
    • Central Desert Region
      • Harts Range (Harts Ranges; Hartz Range; Hartz Ranges)
        • Mt Riddock Station
  • South Australia
    • Flinders Ranges
      • North Flinders Ranges
        • Leigh Creek
          • Puttapa
Judy Rowe Collection
  • Victoria
    • City of Greater Geelong
      • Anakie
Judy Rowe collection
Judy Rowe Collection
      • Fyansford
        • Lower Paper Mills Road
Judy Rowe Collection
  • Burgenland
    • Oberwart
      • Badersdorf
Götzinger, M. A. & Huber, P. (2009)
  • Lower Austria
    • Waldviertel
      • Persenbeug-Gottsdorf
peter neschen collection
      • St Oswald
peter neschen collection
  • Styria
    • Bad Gleichenberg
      • Wilhelmsdorf
peter neschen collection
    • Feldbach
      • Mühldorf
peter neschen collection
  • Minas Gerais
    • Doce valley
      • Governador Valadares
        • Golconda district
  • Fujian Province
    • Fuzhou Prefecture
      • Jin'an District
        • Shoushan
Amo Wang specimen (see photo)
Democratic Republic of Congo (Zaïre)
  • Katanga (Shaba)
    • Katanga Copper Crescent
      • Kambove District
Paul De Bondt collection
      • Lubumbashi (Elizabethville)
Paul De Bondt
  • Nordjylland Region
    • Vesthimmerland
      • Farsø
        • Ertebølle
Bert de Ruiter
  • Guayas Province
    • Daule Canton
      • Km 46 Vía Daule
Alejandro Felix Gutierrez
    • Guayaquil Canton
      • Guayaquil
        • Pascuales
          • La Germania
Alejandro Felix Gutierrez
  • Loja Province
    • Sozoranga Canton
Collected by Alejandro Félix
  • Alsace
    • Haut-Rhin
      • Lauch Valley
        • Soultz-Haut-Rhin
J.-L. Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994
  • Languedoc-Roussillon
    • Pyrénées-Orientales
      • Maureillas-Las-Illas
        • Mas d'en Peixeta
Olivier Mével spécimen
Berbain, C., Favreau, G. & Aymar, J. (2005): Mines et minéraux des Pyrénées-Orientales et des Corbières, Association Française de Microminéralogie Ed., 115.
Berbain, C., Favreau, G. & Aymar, J. (2005): Mines et minéraux des Pyrénées-Orientales et des Corbières, Association Française de Microminéralogie Ed., 202-204.
  • Bavaria
    • Franconia
      • Fichtelgebirge
        • Wunsiedel
          • Göpfersgrün
F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
          • Sinatengrün
F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
      • Solnhofen
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Upper Bavaria
      • Eichstätt
        • Blumenberg
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Schamhaupten
Alfred Passath Collection
    • Upper Palatinate
      • Theisseil
        • Oberhöll
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Hesse
    • Odenwald
      • Reichelsheim
        • Erzbach
Nickel, E., and Fettel, M. (1985): Odenwald. Sammlung geologischer Führer Vol. 65, 2nd ed., Bornträger (Berlin, Stuttgart), 231 pp.
  • North Rhine-Westphalia
    • Aachen
      • Stolberg
        • Gressenich
found by FdW
    • Münsterland
      • Steinfurt
        • Wettringen
  • Schleswig-Holstein
    • Plön
      • Bösdorf - Bad Malente area
A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
  • Aegean Islands Department (Aiyaíon)
    • Kykládes Prefecture
      • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
        • Serifos Island (Seriphos)
Rottenmanner, G. (2010): Baryt, Fluorit und Calcit aus Serifos. Der Steirische Mineralog, H. 24, 41-46.
  • Baranya Co.
    • Mecsek Mts
      • Pécs
Mineral Species of Hugary, 2005
  • Borsod-Abaúj-Zemplén Co.
    • Rudabányai Mts
Mineral Species of Hungary, 2005
  • Fejér Co.
    • Szár Hill
      • Kőszárhegy
Mineral Species of Hungary, 2005
  • Heves Co.
    • Mátra Mts
      • Gyöngyöstarján
  • Komárom-Esztergom Co.
    • Gerecse Mts
      • Tatabánya
  • Nógrád Co.
    • Mátra Mts
Mineral Species of Hungary, 2005
  • Tuscany
    • Grosseto Province
      • Montieri
A.Costantini, G.Pagani (2015) Minerali: bellezze della natura nel parco delle colline metallifere - Tuscan mining geopark . 1-266
    • Lucca Province
      • Borgo a Mozzano
        • Valdottavo
C. Biagioni
  • Honshu Island
    • Chubu Region
      • Gifu Prefecture
        • Nakatsugawa City
          • Hirukawa
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.); ex-Okamoto collection, now (2015) on display at Hakusekikan museum, Hirukawa.
    • Chugoku Region
      • Yamaguchi Prefecture
        • Mine City
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
  • Kyushu Region
    • Kagoshima Prefecture
      • Kirishima City
        • Hayato
Hiromi Yamasaki collection
  • Erongo Region
    • Brandberg Area
      • Goboboseb Mts
Egil Hollund Collection
  • Finnmark
    • Gamvik
      • Mehamn
Rune Alexander Fredriksen photo & collection
    • Lebesby
      • Kjøllefjord
Rune Alexander Fredriksen photo & specimen
  • Østfold
    • Råde
Egil Hollund Collection
  • Opolskie
    • Krapkowice District
Kornaga Collection
Kwiatkowski 2005, Origin of chert nodules from the Polish Muschelkalk, Middle Triassic
  • Beja District
    • Odemira
      • São Luís
António Martins collection
  • Castelo Branco District
Martins da Pedra collection
  • Setúbal District
Rui Nunes 2010
      • Santa Cruz
Martins da Pedra collection
      • Santiago do Cacém
Martins da Pedra collection
Rui Nunes collection
      • Castelo
        • Azoia
Rui Nunes collection
  • Viseu District
    • Sátão
      • Ferreira de Aves
        • Aldeia Nova
Van King
  • Košice Region
    • Košice - okolie Co.
Alfred Passath Collection
South Africa
  • KwaZulu-Natal Province
    • eThekwini District
      • Durban
        • Bellair
Heron, H.D.C. (1990/1991). A note on manganese dendrite and oxide masses from selected Natal localities. Micro News and Views, 17(1):2-6 and 17(2):2-4); Heron, H.D.C. (1996). Leached assemblages in dolerite boulders from level 3 NE at Coedmore Quarries, Durban. Unpublished report for the Quarry Management.
        • Cato Manor
          • Umbilo Valley
Heron, 1991). Locality Data Sheet (ML23): Ridgeview Quarry. Issued together with Micro News and Views 18(2) (1992).
  • Catalonia
    • Tarragona
      • Priorat
        • El Molar
Col. Agustin Agudo Espinosa.
  • England
    • Cumbria
      • West Cumberland Iron Field
        • Kirkland
Lloyd Llewellyn, self-collected (see picture)
  • Arizona
    • Pima Co.
      • Tucson Mts
        • Amole District
P Cristofono collection, 2006
  • Arkansas
    • Garland Co.
      • Hot Springs
  • California
    • Inyo Co.
      • Argus Mts (Argus Range)
        • Argus District (Kellcy District; Sherman District)
          • Mountain Spring
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10036262.
    • San Diego Co.
      • Pala District
        • Pala
          • Chief Mountain
            • Elizabeth R. Mine (Hazel W. claim)
Stephenson, J. (2008), Pala District Opens Wider: Oceanview Mine Strikes It Big. Gem News: Pala International, Fallbrook, CA. January 16th.
      • Rincon District
        • Rincon
          • Rincon Mountain
Van King
  • Colorado
    • Hinsdale Co.
Rocks & Minerals: Sept, 1998
  • Connecticut
    • Fairfield Co.
      • Redding (Reading)
        • Branchville
Ted Johnson collection
    • Hartford Co.
      • Avon
John Burnham
      • East Granby
John Burnham
P Cristofono collection
P. Cristofono collection
    • Middlesex Co.
      • Haddam
Kevin Czaja Collection
      • Portland
Harold Moritz collection
        • Collins Hill
          • Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries)
Van King
  • Iowa
    • Clinton Co.
      • Folletts
E.L. Clopton collection
Rocks & Minerals: Nov-Dec 2002
  • Kansas
Ransom, 1974. Gems and Minerals of America
  • Kentucky
    • Breckinridge Co.
Rocks & Minerals 81:420-440
  • Maine
    • Androscoggin Co.
      • Auburn
        • East Mount Apatite District
Daniel Levesque collection
    • Oxford Co.
      • Albany
P. Cristofono collection
      • Buckfield
AmMin 10:355-411 (1925)
      • Greenwood
King, Vandall T. and Foord, Eugene, E. (1994) Mineralogy of Maine. Descriptive Mineralogy, volume 1, Maine Geological Survey, Augusta, Maine, pp. 418 + 88 plates.
        • Uncle Tom Mountain
Van King
P. Cristofono collection
      • Stoneham
Van King
Bill Bunn specimen and photo
      • West Paris
King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.
  • Maryland
    • Montgomery Co.
      • Rockville
F. Parker (2005) "The Minerals of the Hunting Hill Quarry, Rockville, Maryland" Mineralogical Record 35:435-446.
  • Massachusetts
    • Essex Co.
      • Lynn
William Prescott (1852) Journal of the Essex County Natural History Society: containing various Communications to the Society pp 78-91
    • Franklin Co.
Emerson, B. K. (1895): A Mineralogical Lexicon of Franklin, Hampshire, and Hampden Counties, Massachusetts (USGS Bulletin 126).
    • Hampshire Co.
      • Easthampton
    • Middlesex Co.
P. Cristofono collection
    • Worcester Co.
      • Lunenburg
P Cristofono collection
  • Michigan
    • Baraga Co.
      • Alberta
Dan Fountain Collection
    • Marquette Co.
      • Dead River Basin
Dan Fountain Collection
  • Missouri
    • Phelps Co.
Charles Calkins
  • Montana
    • Madison Co.
      • Gravelly Range
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens.
  • Nevada
    • Nye Co.
      • Bare Mountain
        • Bare Mountain District (Fluorine District)
Peggy L. Smith, J.V. Tingley (1983) NBMG OFR 83-12
    • Washoe Co.
  • New Hampshire
    • Carroll Co.
      • Wakefield
P. Cristofono collection, 2012
    • Cheshire Co.
      • Walpole
P. Cristofono collection
      • Westmoreland
P Cristofono collection
    • Grafton Co.
      • Groton
P. Cristofono collection
      • Orange
P. Cristofono collection, 2013
    • Hillsborough Co.
      • Amherst
P. Cristofono collection
P Cristofono collection, 2007
    • Merrimack Co.
      • Hooksett
P Cristofono collection, 2010
  • New Mexico
    • Hidalgo Co.
      • Pyramid Mts
        • Lordsburg District
          • Lordsburg
            • Virginia District
P Cristofono collection, 2008
    • Luna Co.
P Cristofono collection
    • Taos Co.
      • Picuris District
Dean Allum
  • New York
    • Lewis Co.
      • Diana Township
St. Lawrence County Rock & Mineral Club
  • North Carolina
Bruce Osborne Collection
  • Pennsylvania
    • Adams Co.
      • Gettysburg
Rocks & Minerals 81:229-234
    • Northampton Co.
      • Forks Township
        • Easton
          • Chestnut Hill
  • Rhode Island
    • Providence Co.
      • Lincoln
        • Lime Rock
P Cristofono collection, 2008
George, Gilbert (1969). Latest Finds at Roadcuts in RI (Micromounters of New England Newsletter, Dec. 1969).
  • South Dakota
    • Custer Co.
      • Custer District
        • Custer
  • Texas
    • Karnes Co.
  • Wisconsin
    • Marathon Co.
      • Wausau Intrusive Complex
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