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Takovite

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About TakoviteHide

Formula:
Ni6Al2(OH)16[CO3] · 4H2O
Colour:
Yellowish-green, bluish-green
Hardness:
2
Crystal System:
Trigonal
Name:
Named after its discovery locality, Takovo, Serbia.

Classification of TakoviteHide

Approved, 'Grandfathered' (first described prior to 1959)
5.DA.50

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
16b.6.3.2

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
6 : AmBn(XO3)pZqxH2O & with (m+n):p = 8:1
7.22.5

7 : Oxides and Hydroxides
22 : Oxides of Ni

Physical Properties of TakoviteHide

Transparency:
Translucent
Colour:
Yellowish-green, bluish-green
Hardness:

Optical Data of TakoviteHide

Type:
Uniaxial (-)
RI values:
nω = 1.601 - 1.602 nε = 1.600
Max Birefringence:
δ = 0.001 - 0.002
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of TakoviteHide

Formula:
Ni6Al2(OH)16[CO3] · 4H2O
IMA Formula:
Ni6Al2(CO3)(OH)16 · 4H2O

Crystallography of TakoviteHide

Crystal System:
Trigonal
Cell Parameters:
a = 3.02 Å, c = 22.59 Å
Ratio:
a:c = 1 : 7.48
Unit Cell V:
178.43 ų (Calculated from Unit Cell)

Type Occurrence of TakoviteHide

Synonyms of TakoviteHide

Other Language Names for TakoviteHide

Relationship of Takovite to other SpeciesHide

Other Members of this group:
DesautelsiteMg6Mn3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m)
DroninoiteNi6Fe2+3(OH)16Cl2 · 4H2OTrig. 3m (3 2/m) : R3m
HydrotalciteMg6Al2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
Hydrotalcite-3RMg6Al2(CO3)(OH)16 · 4H2OTrig. 3m (3 2/m) : R3m
IowaiteMg6Fe3+2(OH)16Cl2 · 4H2OTrig. 3m (3 2/m) : R3m
MeixneriteMg6Al2(OH)16(OH)2 · 4H2OTrig. 3m (3 2/m) : R3m
PyroauriteMg6Fe3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
ReevesiteNi6Fe3+2(OH)16(CO3) · 4H2OTrig.
StichtiteMg6Cr3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
WoodalliteMg6Cr2(OH)16Cl2 · 4H2OTrig.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Asbolane3 photos of Takovite associated with Asbolane on mindat.org.
Allophane2 photos of Takovite associated with Allophane on mindat.org.
Millerite1 photo of Takovite associated with Millerite on mindat.org.
Kambaldaite1 photo of Takovite associated with Kambaldaite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

5.DA.AlexkhomyakoviteK6(Ca2Na)(CO3)5Cl·6H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mcm
5.DA.05DypingiteMg5(CO3)4(OH)2 · 5H2OMon.
5.DA.05GiorgiositeMg5(CO3)4(OH)2 · 5-6H2O
5.DA.05HydromagnesiteMg5(CO3)4(OH)2 · 4H2OMon.
5.DA.05WidgiemoolthaliteNi5(CO3)4(OH)2 · 5H2OMon.
5.DA.05UM1986-10-CO:ClHMgMnZn (also called Mineral F, Dunn, 1995)Mg5(Zn,Mn)3(CO3)2(OH,Cl)12 · H2O
5.DA.05UM1987-01-CO:HMgSMg4(CO3)2(OH)4 · 6H2O ?Mon.
5.DA.10ArtiniteMg2(CO3)(OH)2 · 3H2OMon.
5.DA.10IndigiriteMg2Al2(CO3)4(OH)2 · 15H2O
5.DA.10ChlorartiniteMg2(CO3)(OH)Cl · 2H2OTrig. 3m : R3c
5.DA.15OtwayiteNi2(CO3)(OH)2 · H2OOrth.
5.DA.15ZaratiteNi3(CO3)(OH)4 · 4H2O ?Iso.
5.DA.20KambaldaiteNaNi4(CO3)3(OH)3 · 3H2OHex.
5.DA.25CallaghaniteCu2Mg2(CO3)(OH)6 · 2H2OMon.
5.DA.30Claraite(Cu,Zn)15(CO3)4(AsO4)2(SO4)(OH)14·7H2OTric.
5.DA.35HydroscarbroiteAl14(CO3)3(OH)36 · nH2OTric.
5.DA.35ScarbroiteAl5(CO3)(OH)13 · 5H2OHex.
5.DA.40CaresiteFe2+4Al2(OH)12[CO3] · 3H2OTrig.
5.DA.40QuintiniteMg4Al2(OH)12[CO3] · 3H2OHex. 6 2 2 : P63 2 2
5.DA.40CharmariteMn2+4Al2(OH)12[CO3] · 3H2O
5.DA.45Stichtite-2HMg6(Cr,Al)2(CO3)(OH)16 · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.DA.45BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2OHex.
5.DA.45ChlormagaluminiteMg4Al2(OH)12Cl2 · 3H2OHex.
5.DA.45Hydrotalcite-2HMg6Al2(CO3)(OH)16 · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.DA.45Pyroaurite-2HMg6Fe3+2(OH)16(CO3) · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.DA.45ZaccagnaiteZn4Al2(OH)12[CO3] · 3H2OHex.
5.DA.50ComblainiteNi4Co2(OH)12[CO3] · 3H2OTrig.
5.DA.50DesautelsiteMg6Mn3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m)
5.DA.50HydrotalciteMg6Al2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50PyroauriteMg6Fe3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50ReevesiteNi6Fe3+2(OH)16(CO3) · 4H2OTrig.
5.DA.50StichtiteMg6Cr3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50UM1998-10-CO:CoHNiCo6Fe2(CO3)(OH)16 · 4H2O ?
5.DA.55CoalingiteMg10Fe3+2(OH)24[CO3] · 2H2OTrig.

Related Minerals - Dana Grouping (8th Ed.)Hide

16b.6.3.1ReevesiteNi6Fe3+2(OH)16(CO3) · 4H2OTrig.
16b.6.3.3ComblainiteNi4Co2(OH)12[CO3] · 3H2OTrig.
16b.6.3.4UM1998-10-CO:CoHNiCo6Fe2(CO3)(OH)16 · 4H2O ?

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.22.1BunseniteNiOIso. m3m (4/m 3 2/m) : Fm3m
7.22.3TheophrastiteNi(OH)2Trig. 3m (3 2/m) : P3m1
7.22.4JamboriteNi2+1-xCo3+x(OH)2-x(SO4)x · nH2OTrig. 3m (3 2/m) : R3m
7.22.6TrevoriteNi2+Fe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.22.7Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4Iso. m3m (4/m 3 2/m) : Fd3m

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 TakoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Maksimovic Z. (1957), Zap. Vses. Mineral. Obshchestva, 99, 595.
American Mineralogist (1972): 57: 1559.
American Mineralogist (1977): 62: 458-464.
Zapisnici srp. Geol. Društva za 1955 god: 219-224.
Mills, S.J., Christy, A.G., Genin, J.-M.R., Kameda, T., Colombo, F. (2012): Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76, 1289-1336.

Internet Links for TakoviteHide

Localities for TakoviteHide

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.
Australia
 
  • Western Australia
    • Coolgardie Shire
E Nickel & B Robinson (1985)Kambaldaite - A new hvdrated Ni-Na carbonate mineral from Kambalda, Western Australia, American Mineralogist, Volume 70, pages 419422
        • Kambalda Nickel mines
          • Juan complex
Eardleyite as a Product of the Supergene Alteration of Nickel Sulphides in Western Australia; E Nickel, C Davis, M Bussell, P Bridge, J Dunn, R Macdonald; American Mineralogist, Vol 62, pp 449-457, 1977
        • St. Ives gold Camp
Marston, R.J. (1984) Nickel Mineralization in Western Australia. Mineral Resources Bulletin 14, Geological Survey of Western Australia, 291p. 
      • Widgiemooltha
Nickel E H, Robinson B W, Mumme W G (1993) Widgiemoolthalite: the new Ni analogue of hydromagnesite from Western Australia. American Mineralogist 78, 819-821; Clissold, M. E. (2007) Aspects of the Supergene Geochemistry of Copper, Nickel and Bismuth. PhD Thesis University of Sydney, Australia 162pp.
Eardleyite as a Product of the Supergene Alteration of Nickel Sulphides; E Nickel, C Davis, M Bussell, P Bridge, J Dunn, R Macdonald; American MIneralogist, Vol 62, pp449-457, 1977
    • Leonora Shire
      • Leinster
E. H. Nickel, E.H. et al. (1977) Eardleyite as a product of the supergene alteration of nickel sulfides in Western Australia. American Mineralogist; June 1977; v. 62; no. 5-6; p. 449-457; American Mineralogist, Volume 62, pages 458-464, 1977
    • Menzies Shire
      • Menangina Station
Mineralogical Magazine 1977 41 : 37-41; Min Mag (1979) 43, 97-98; Matthew J. Sciberras, Peter Leverett, Peter A. Williams, David E. Hibbs, Peter J. Downes, Mark D. Welch and Anthony R. Kampf (2013) Paratacamite-(Ni,Cu3(Ni,Cu)Cl2(OH)6, a new mineral from the Carr Boyd Rocks mine, Western Australia. Australian Journal of Mineralogy 17:39-44
France
 
  • New Caledonia
    • Northern Province
      • Poya North Commune
J. Coudray (1970) - Découverte, en Nouvelle-Calédonie, d'une nouvelle minéralisation nickélifère sous forme de takovite : Ni5[Al4O2](OH)18, 6H2O. Comptes rendus de l'académie des sciences, t. 271, série D, 1970, pp. 565-567
  • Provence-Alpes-Côte d'Azur
American Mineralogist, Volume 62, pages 458-464, 1977
Germany
 
  • Baden-Württemberg
    • Black Forest
      • St Blasien
        • Urberg
Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Wolfach
        • Oberwolfach
          • Rankach valley
Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium; Lavreotiki Municipality)
      • Lavrion District Mines
        • Sounion area
          • Sounion Mines
G. Niedermayr and F. Brandstätter (2001) Neufund aus Laurion: Takovit von Sounion, Griechenland. Mineralienwelt 2/2001 (in German)
  • Sterea Hellas Department
    • Fthiótis Prefecture
      • Lokris
Pantó, G. & Maksimović, Z. (2001): Two new rare earth minerals in an unusual mineralization of the Nissi bauxite deposit, Greece. Acta Geologica Hungarica 44, 81-93.
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Tazenakht
        • Bou Azzer District (Bou Azer District)
          • Aghbar
Georges Favreau collection
JP Barral collection
Georges Favreau collection
Romania
 
  • Suceava Co.
    • Suceava district
      • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
http://minerals-of-the-carpathians.eu
Russia
 
  • Central Region
    • Moscow Oblast' (Moskovskaya Oblast')
Pavel M. Kartashov analytical data
Serbia (TL)
 
  • Moravica District
    • Gornji Milanovac
Zap.Srpskog.Geol. Drustva zo 1955 god. ; AM 62 (1977), 458; Acta Geologica Hungarica 46:313-320
USA
 
  • Utah
    • Utah Co.
      • Oquirrh Mts
UGMS Bull 117 Minerals and Mineral Localities of Utah
Mineral and/or Locality  
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