Attakolite
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About Attakolite
Formula:
CaMn2+Al4(SiO3OH)(PO4)3(OH)4
Colour:
Pale red
Crystal System:
Monoclinic
Name:
From the Greek άττακος ("attakos") for "salmon", in allusion to its common colour.
This page provides mineralogical data about Attakolite.
Classification of Attakolite
Approved, 'Grandfathered' (first described prior to 1959)
7/B.28-30
8.BH.60
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
43.4.13.1
43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
19.12.52
19 : Phosphates
12 : Phosphates of Mn
19 : Phosphates
12 : Phosphates of Mn
Physical Properties of Attakolite
Colour:
Pale red
Optical Data of Attakolite
Type:
Biaxial (+)
RI values:
nα = 1.650 - 1.655 nβ = 1.654 - 1.664 nγ = 1.661 - 1.675
2V:
Measured: 75° to 84°, Calculated: 76° to 86°
Max Birefringence:
δ = 0.011 - 0.020

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
none
Chemical Properties of Attakolite
Formula:
CaMn2+Al4(SiO3OH)(PO4)3(OH)4
IMA Formula:
CaMn2+Al4(HSiO4)(PO4)3(OH)4
Common Impurities:
Pb,Mg,Na,F,Cl,S
Crystallography of Attakolite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Cell Parameters:
a = 17.18 Å, b = 11.47 Å, c = 7.32 Å
β = 113.83°
β = 113.83°
Ratio:
a:b:c = 1.498 : 1 : 0.638
Unit Cell V:
1,319.47 ų (Calculated from Unit Cell)
Morphology:
Massive, indistinctly crystalline.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0001542 | Attakolite | Grice J D, Dunn P J (1992) Attakolite: New data and crystal-structure determination American Mineralogist 77 1285-1291 | ![]() | 1992 | 0 | 293 |
CIF Raw Data - click here to close
Type Occurrence of Attakolite
Synonyms of Attakolite
Other Language Names for Attakolite
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Nickel-Strunz Grouping
8.BH. | Crimsonite | PbFe3+2(PO4)2(OH)2 | Orth. mmm (2/m 2/m 2/m) : Cccm |
8.BH.05 | Thadeuite | Ca(Mg,Fe2+)3(PO4)2(OH,F)2 | Orth. 2 2 2 : C2 2 21 |
8.BH.10 | Durangite | NaAl(AsO4)F | Mon. 2/m : B2/b |
8.BH.10 | Isokite | CaMg(PO4)F | Mon. 2/m : B2/b |
8.BH.10 | Lacroixite | NaAl(PO4)F | Mon. 2/m : B2/b |
8.BH.10 | Maxwellite | NaFe3+(AsO4)F | Mon. 2/m : P2/m |
8.BH.10 | Panasqueiraite | CaMg(PO4)(OH,F) | Mon. |
8.BH.10 | Tilasite | CaMg(AsO4)F | Mon. m : Bb |
8.BH.15 | Drugmanite | Pb2(Fe3+,Al)(PO4)(PO3OH)(OH)2 | Mon. 2/m : P21/b |
8.BH.20 | Bjarebyite | (Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3 | Mon. |
8.BH.20 | Cirrolite | Ca3Al2(PO4)3(OH)3 (?) | |
8.BH.20 | Kulanite | Ba(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3 | Mon. |
8.BH.20 | Penikisite | Ba(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3 | Mon. 2/m : P21/m |
8.BH.20 | Perloffite | Ba(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
8.BH.20 | Johntomaite | BaFe2+2Fe3+2(PO4)3(OH)3 | Mon. 2/m : P21/m |
8.BH.25 | Bertossaite | (Li,Na)2(Ca,Fe2+,Mn2+)Al4(PO4)4(OH,F)4 | Orth. |
8.BH.25 | Palermoite | (Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4 | Orth. |
8.BH.30 | Carminite | PbFe3+2(AsO4)2(OH)2 | Orth. mmm (2/m 2/m 2/m) : Cccm |
8.BH.30 | Sewardite | CaFe3+2(AsO4)2(OH)2 | Orth. mmm (2/m 2/m 2/m) : Cccm |
8.BH.35 | Adelite | CaMg(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Arsendescloizite | PbZn(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Austinite | CaZn(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Cobaltaustinite | CaCo(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Conichalcite | CaCu(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Duftite | PbCu(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Gabrielsonite | PbFe3+(As3+O3)O | Orth. mm2 : Pmc21 |
8.BH.35 | Nickelaustinite | CaNi(AsO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Tangeite | CaCu(VO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Gottlobite | CaMg(VO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.35 | Hermannroseite | CaCu(PO4)(OH) | Orth. 2 2 2 : P21 21 21 |
8.BH.40 | Čechite | PbFe2+(VO4)(OH) | Orth. mmm (2/m 2/m 2/m) |
8.BH.40 | Descloizite | PbZn(VO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnma |
8.BH.40 | Mottramite | PbCu(VO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnma |
8.BH.40 | Pyrobelonite | PbMn2+(VO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnma |
8.BH.45 | Bayldonite | PbCu3(AsO4)2(OH)2 | Mon. 2/m : B2/b |
8.BH.45 | Vésigniéite | BaCu3(VO4)2(OH)2 | Mon. 2/m : B2/m |
8.BH.50 | Paganoite | NiBi(AsO4)O | Tric. 1 : P1 |
8.BH.55 | Jagowerite | BaAl2(PO4)2(OH)2 | Tric. |
8.BH.65 | Leningradite | PbCu3(VO4)2Cl | Orth. mmm (2/m 2/m 2/m) : Ibam |
Related Minerals - Hey's Chemical Index of Minerals Grouping
19.12.1 | Metaswitzerite | Mn2+3(PO4)2 · 4H2O | Mon. 2/m : P2/b |
19.12.2 | Bermanite | Mn2+Mn3+2(PO4)2(OH)2 · 4H2O | Mon. 2/m : P2/b |
19.12.3 | Natrophilite | NaMn2+PO4 | Orth. mmm (2/m 2/m 2/m) : Pmna |
19.12.4 | Sidorenkite | Na3Mn2+(CO3)(PO4) | Mon. |
19.12.5 | Niahite | (NH4)(Mn2+,Mg)(PO4) · H2O | Orth. mm2 : Pmn21 |
19.12.6 | Robertsite | Ca2Mn3+3(PO4)3O2 · 3H2O | Mon. m : Bb |
19.12.7 | Pararobertsite | Ca2Mn3+3(PO4)3O2 · 3H2O | Mon. 2/m : P21/b |
19.12.8 | Sinkankasite | Mn2+Al(PO3OH)2(OH) · 6H2O | Tric. |
19.12.9 | Mangangordonite | Mn2+Al2(PO4)2(OH)2 · 8H2O | Tric. |
19.12.10 | Heterosite | (Fe3+,Mn3+)PO4 | Orth. mmm (2/m 2/m 2/m) : Pmna |
19.12.11 | Purpurite | Mn3+(PO4) | Orth. mmm (2/m 2/m 2/m) : Pmna |
19.12.12 | Wolfeite | Fe2+2(PO4)(OH) | Mon. 2/m : P21/b |
19.12.13 | Triploidite | Mn2+2(PO4)(OH) | Mon. 2/m : P2/b |
19.12.14 | Lipscombite | Fe2+Fe3+2(PO4)2(OH)2 | Tet. |
19.12.15 | Frondelite | Mn2+Fe3+4(PO4)3(OH)5 | Orth. 2 2 2 : C2 2 21 |
19.12.16 | Rockbridgeite | Fe2+Fe3+4(PO4)3(OH)5 | Orth. mmm (2/m 2/m 2/m) |
19.12.17 | Kryzhanovskite | (Fe3+,Mn2+)3(PO4)2(OH,H2O)3 | Orth. |
19.12.18 | Landesite | Mn2+3-xFe3+x(PO4)2(OH)x · (3-x)H2O | Orth. |
19.12.19 | Phosphoferrite | (Fe2+,Mn2+)3(PO4)2 · 3H2O | Orth. mmm (2/m 2/m 2/m) : Pmna |
19.12.20 | Reddingite | (Mn2+,Fe2+)3(PO4)2 · 3H2O | Orth. mmm (2/m 2/m 2/m) : Pmna |
19.12.21 | Earlshannonite | Mn2+Fe3+2(PO4)2(OH)2 · 4H2O | Mon. |
19.12.22 | Hureaulite | Mn2+5(PO3OH)2(PO4)2 · 4H2O | Mon. 2/m : B2/b |
19.12.23 | Switzerite | Mn2+3(PO4)2 · 7H2O | Mon. |
19.12.24 | Laueite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
19.12.25 | Pseudolaueite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Mon. 2/m : P21/b |
19.12.26 | Strunzite | Mn2+Fe3+2(PO4)2(OH)2 · 6H2O | Tric. 1 : P1 |
19.12.27 | Stewartite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
19.12.28 | Alluaudite | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 | Mon. |
19.12.29 | Ferroalluaudite | (Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3 | Mon. 2/m : B2/b |
19.12.30 | Fillowite | Na3CaMn2+11(PO4)9 | Trig. 3 : R3 |
19.12.31 | Johnsomervilleite | Na3CaFe11(PO4)9 | Trig. |
19.12.32 | Wicksite | NaCa2(Fe2+,Mn2+)4MgFe3+(PO4)6 · 2H2O | Orth. mmm (2/m 2/m 2/m) |
19.12.33 | Dickinsonite-(KMnNa) | (KNa)(Mn2+◻)Ca(Na2Na)Mn2+13Al(PO4)11(PO4)(OH)2 | Mon. 2/m : B2/b |
19.12.34 | Sarcopside | (Fe2+,Mn2+,Mg)3(PO4)2 | Mon. 2/m : P21/b |
19.12.35 | Ludlamite | Fe2+3(PO4)2 · 4H2O | Mon. 2/m : P21/b |
19.12.36 | Graftonite | Fe2+Fe2+2(PO4)2 | Mon. 2/m : P21/b |
19.12.37 | Wilhelmvierlingite | CaMnFe3+(PO4)2(OH) · 2H2O | Orth. |
19.12.38 | Fairfieldite | Ca2Mn2+(PO4)2 · 2H2O | Tric. 1 : P1 |
19.12.39 | Beusite | Mn2+Mn2+2 (PO4)2 | Mon. |
19.12.40 | Messelite | Ca2Fe2+(PO4)2 · 2H2O | Tric. 1 : P1 |
19.12.41 | Jahnsite-(CaMnFe) | {Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
19.12.42 | Jahnsite-(CaMnMn) | {Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
19.12.43 | Jahnsite-(CaMnMg) | {Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
19.12.44 | Keckite | CaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2O | Mon. 2/m : P2/b |
19.12.45 | Stanfieldite | Ca4Mg5(PO4)6 | Mon. |
19.12.46 | Laubmannite | ||
19.12.47 | Zodacite | Ca4Mn2+Fe3+4(PO4)6(OH)4 · 12H2O | Mon. |
19.12.48 | Hagendorfite | NaCaMn2+Fe2+2(PO4)3 | Mon. 2/m : B2/b |
19.12.49 | Maghagendorfite | (Na,◻)MgMn2+(Fe2+,Fe3+)2(PO4)3 | Mon. |
19.12.50 | Varulite | NaCaMn2+Mn2+2(PO4)3 | Mon. 2/m : B2/b |
19.12.51 | Griphite | Na4Li2Ca6(Mn2+,Fe2+,Mg)19Al8(PO4)24(F,OH)8 | Iso. m3 (2/m 3) : Pa3 |
19.12.53 | Arrojadite-(KFe) | (KNa)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2 | Mon. |
19.12.54 | Lun'okite | (Mn,Ca)(Mg,Fe,Mn)Al(PO4)2OH · 4H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
19.12.55 | Eosphorite | Mn2+Al(PO4)(OH)2 · H2O | Orth. mmm (2/m 2/m 2/m) : Cmca |
19.12.56 | Ernstite | (Mn2+,Fe3+)Al(PO4)(OH,O)2 · H2O | Mon. |
19.12.57 | Childrenite | Fe2+Al(PO4)(OH)2 · H2O | Orth. mm2 : Ccc2 |
19.12.58 | Bobfergusonite | Na2Mn5FeAl(PO4)6 | Mon. 2/m : P2/b |
19.12.59 | Qingheiite | NaMn3+Mg(Al,Fe3+)(PO4)3 | Mon. 2/m : P21/b |
19.12.60 | Whiteite-(CaFeMg) | {Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : P21/b |
19.12.61 | Whiteite-(CaMnMg) | {Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O | Mon. 2/m |
19.12.62 | Whiteite-(MnFeMg) | {(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : P21/b |
19.12.63 | Rittmannite | {(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2O | Mon. |
19.12.64 | Zanazziite | Ca2Mg5Be4(PO4)6(OH)4 · 6H2O | Mon. 2/m : B2/b |
19.12.65 | Samuelsonite | (Ca,Ba)Ca8Fe2+2Mn2+2Al2(PO4)10(OH)2 | Mon. 2/m : B2/m |
Other Information
Notes:
Partially decomposed by acids.
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 Attakolite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Blomstrand (1868) Ak. Stockholm, Öfv.: 25: 201.
Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 847.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 845 (as Attacolite).
Gabrielson, O. and P. Gejer. (1966) The mineral attakolite. Arkiv Mineral. Geol.,
3(30), 537-543.
American Mineralogist (1966): 51: 534.
Grice, J. D.; Dunn, P. J. (1992): Attakolite: new data and crystal-structure determination: American Mineralogist: 77, 1285-1291.
Internet Links for Attakolite
mindat.org URL:
https://www.mindat.org/min-415.html
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Localities for Attakolite
Locality List




All localities listed without proper references should be considered as questionable.
Honduras | |
| Mattioli, M., Menichetti, M., Renzulli, A., Toscani, L., Salvioli-Mariani, E., Suarez, P., & Murroni, A. (2014). Genesis of the hydrothermal gold deposits in the Canan area, Lepaguare District, Honduras. International Journal of Earth Sciences, 103(3), 901-928. |
Rwanda | |
| Bertossa, A. (1968) Inventaire des minéraux du Rwanda. Bulletin du Service Géologique de Rwanda: 4: 25-45.; Daltry, V.D.C. and von Knorring, O. (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite. Geologica Belgica: 1: 9-15. |
Sweden (TL) | |
| Blomstrand, C.W. (1868) Om Vestanå Mineralier. Öfversigt af Kongliga Vetenskaps-Akademiens Förhandlingar 25 (3), 197-212; Gallagher, M.J. and Gerards, J.F. (1963) Berlinite from Rwanda. Mineralogical Magazine: 33: 613-615.; Palache, C., Berman, H., and Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 697, 872. |
Västanå Iron Mine, Näsum, Bromölla, Skåne County, Sweden