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(Mn,Ca)Mn4O9 · H2O
Grey, black, gray-brown
Specific Gravity:
Crystal System:
Named after Katsutoshi Takane (1899-1945), Professor of Mineralogy, Tohoku University, Sendai, Japan.
Isostructural with:
Ranciéite-Takanelite Series. The manganese analogue of Ranciéite.

Compare 'UM1989-13-O:HMn' and 'manganogel'.

Hide all sections | Show all sections

Classification of TakaneliteHide

Approval Year:

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra

10 : AB4X9

Physical Properties of TakaneliteHide

Grey, black, gray-brown
Dark brown
3.41 g/cm3 (Measured)    3.98 g/cm3 (Calculated)

Chemical Properties of TakaneliteHide

(Mn,Ca)Mn4O9 · H2O
IMA Formula:
(Mn2+,Ca)2xMn4+1-xO2 · 0.7H2O

Crystallography of TakaneliteHide

Crystal System:
Cell Parameters:
a = 2.83 Å, c = 7.24 Å
a:c = 1 : 2.558
Unit Cell V:
50.22 ų (Calculated from Unit Cell)
UCD from ICDD 25-164 superceded by Strunz and Nickel (2001)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
7.57 (100)
4.43 (18b)
3.765 (25)
2.462 (15)
2.349 (20)
2.065 (10)
1.754 (7b)
1.420 (17)
ICDD 25-164 (Nomura Mine, Japan) Close to PXRD pattern of ranciéite, variable with hydration state.

Type Occurrence of TakaneliteHide

Other Language Names for TakaneliteHide

Simplified Chinese:塔锰矿

Relationship of Takanelite to other SpeciesHide

Other Members of this group:
Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2OMon. 2/m : B2/m
Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2OTrig. 3 : P3
Forms a series with:

Related Minerals - Nickel-Strunz GroupingHide

4.FL.TrébeurdeniteFe2+2Fe3+4O2(OH)10CO3·3H2OTrig. 3m (3 2/m) : R3m
4.FL.05WoodalliteMg6Cr2(OH)16Cl2 · 4H2OTrig.
4.FL.05IowaiteMg6Fe3+2(OH)16Cl2 · 4H2OTrig. 3m (3 2/m) : R3m
4.FL.05JamboriteNi2+1-xCo3+x(OH)2-x(SO4)x · nH2OTrig. 3m (3 2/m) : R3m
4.FL.05MeixneriteMg6Al2(OH)16(OH)2 · 4H2OTrig. 3m (3 2/m) : R3m
4.FL.05MuskoxiteMg7Fe4O13 · 10H2OTrig. 3m (3 2/m)
4.FL.05FougèriteFe2+4Fe3+2(OH)12[CO3]·3H2OTrig. 3m (3 2/m) : R3m
4.FL.10HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2OMon. 2 : P21
4.FL.15KuzeliteCa4Al2(OH)12[SO4] · 6H2OTrig.
4.FL.20Aurorite(Mn2+,Ag,Ca)Mn4+3O7 · 3H2OTrig. 3 : R3
4.FL.20Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2OTrig. 3 : R3
4.FL.20ErnienickeliteNiMn3O7 · 3H2OTrig. 3 : R3
4.FL.20Jianshuiite(Mg,Mn,Ca)Mn3O7 · 3H2OTrig. 3 : R3
4.FL.25WoodruffiteZn2+x/2(Mn4+1-xMn3+x)O2·yH2OMon. 2/m : B2/m
4.FL.30Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2OHex.
4.FL.35BuseriteNa4Mn14O27 · 21H2O
4.FL.40Ranciéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2OTrig. 3 : P3
4.FL.45Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2OMon. 2/m : B2/m
4.FL.55CianciulliiteMn(Mg,Mn)2Zn2(OH)10 · 2-4H2OMon. 2/m : B2/m
4.FL.60JenseniteCu3[TeO6] · 2H2OMon. 2/m : P21/m
4.FL.65LeisingiteCuMg2Te6+O6 · 6H2OTrig. 3 : P3
4.FL.70Akdalaite5Al2O3 · H2OHex.
4.FL.75CafetiteCaTi2O5 · H2OMon. 2/m : P21/b

Related Minerals - Dana Grouping (8th Ed.)Hideéite(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2OTrig. 3 : P3

Fluorescence of TakaneliteHide

Not fluorescent in UV

Other InformationHide

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 TakaneliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Nambu, M. and Tanida, K. (1971) New mineral takanelite. Journal of Japan Association of Mineralogy, Petrology and Economic Geology, 65, 1-15.
American Mineralogist (1971) 56: 1487.
Kim, S.J. (1991) New characterization of takanelite. American Mineralogist, 76, 1426-1430.

Internet Links for TakaneliteHide

Localities for TakaneliteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Tasmania
    • Burnie City
      • Hampshire district
        • Kara Mines
Ralph Bottrill 6/10/2005. A Catalogue of The Minerals of Tasmania, Tasmanian Geological Survey Bulletin 73
  • Styria
    • Oberhaag
      • Lieschengraben
Taucher, J. & Postl, W. (1992), Exel, R. (1993)
  • Shaanxi Province
    • Hanzhong Prefecture
      • Mian Co.
Zhongtang Yang, Zhiming Li, Gengbiao Qiao, Zhongbao Song, Xiaozhou Liu, and Wei Wan (2008): Geology and Prospecting 44(2), 38-44; Zhongtang Yang, Gengbiao Qiao, Zhiming Li, Xiaoyong Yang, Hongping Huang, Xianghua Lan, Zhongbao Song, Xiaozhou Liu, and Wei Wan (2009): Chinese Journal of Geology 44(1), 88-102
  • Bavaria
    • Upper Palatinate
      • Waidhaus
M.E. Ciriotti - 05.06.2008 - Probed
  • Saxony-Anhalt
    • Harz
      • Elbingerode
        • Schävenholz (Schebenholz; Schäbenholz)
Witzke, T. (2013): Die Minerale der Manganlagerstätte Schävenholz bei Elbingerode, Harz.- Aufschluss 64, 69-80
Japan (TL)
  • Shikoku Island
    • Ehime prefecture
      • Seiyo City
        • Nomura
J.Jap.Assoc.Min.Petr.Econ.Geol.(1971) 65, 1-15
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
        • Eveslogchorr Mt
          • Astrophyllite Stream
Pekov et al (2005) New Data on Minerals Vol 40 pp11-16
      • Lovozero Massif
Pekov, I.V. (2000): Lovozero Massif. Moscow, Ocean Pictures Ltd, 480 pp.
South Korea
  • Gyeongsangbuk-do (Kyongsang-bukto; Gyeongsangbugdo)
    • Bonghwa-gun
Kim, S.J. (1991) New characterization of takanelite. American Mineralogist, 76, 1426-1430.; Cotterell, T.F. and Jenkins, D.A. (2008) Ranciéite from Mynydd Parys, Amlwch, Anglesey, Wales. Journal of the Russell Society, vol. 11, 59-63 (referring to Kim, 1991).
  • Grischun (Grisons; Graubünden)
    • Albula Valley
      • Oberhalbstein (Surses; Sursass)
        • Tinizong (Tinzen)
  • Wallis (Valais)
    • Turtmann Valley
      • Pipjitälli
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 399.; Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
  • Massachusetts
    • Hampshire Co.
      • Plainfield
Kim, Soo Jin (1991). New characterization of takanelite (American Mineralogist, Volume 76, pages 1426-1430)
  • Texas
    • Presidio Co.
Handbook of Mineralogy
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