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About TuperssuatsiaiteHide

Na2(Fe3+,Mn2+)3Si8O20(OH)2 · 4H2O
Golden-yellow, reddish brown, orange-yellow
Silky, Dull
Specific Gravity:
Crystal System:
Named after its discovery locality, Tuperssuatsiat Bay, Illimaussaq complex, Narsaq municipality, Greenland.
Palygorskite Group.

At least two visually similar, isomorphous species are known (Cámara et al., 2002). See also windhoekite.

Classification of TuperssuatsiaiteHide

Approval year:
First published:

9 : SILICATES (Germanates)
E : Phyllosilicates
E : Single tetrahedral nets of 6-membered rings connected by octahedral nets or octahedral bands
Dana 7th ed.:

74 : PHYLLOSILICATES Modulated Layers
3 : Modulated Layers with joined strips

14 : Silicates not Containing Aluminum
20 : Silicates of Fe and alkali metals

Physical Properties of TuperssuatsiaiteHide

Silky, Dull
Golden-yellow, reddish brown, orange-yellow
Brownish Yellow
Good on the {100}
2.465 g/cm3 (Measured)    2.12 g/cm3 (Calculated)

Optical Data of TuperssuatsiaiteHide

Biaxial (+)
RI values:
nα = 1.539 nβ = 1.560 nγ = 1.595
Measured: 103° to 103°, Calculated: 78°
Max Birefringence:
δ = 0.056
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of TuperssuatsiaiteHide

Na2(Fe3+,Mn2+)3Si8O20(OH)2 · 4H2O
Common Impurities:

Chemical AnalysisHide

Oxide wt%:
Na2O3.23 %3.80 %
K2O0.78 %0.31 %
Fe2O320.63 %19.77 %
MnO5.31 %6.01 %
ZnO0.81 %0.71 %
MgO1.04 % %
SiO256.38 %56.62 %
Al2O30.47 %0.60 %
H2O (calc)11.35 %12.18 %
Total:100 %100 %
Empirical formulas:
Sample IDEmpirical Formula
Sample references:
1Type SpecimenTuperssuatsiat Bay, Tunulliarfik Fjord, Ilímaussaq complex, Kujalleq, GreenlandKarup-MFe calculated as Fe3+ Electron-microprobe. Average of seven analysis
2North shore, Tunulliarfik Fjord, Ilímaussaq complex, Kujalleq, Greenland  "  "Electron microprobe, average of the first nine analysis by Karup-M
3Aris Quarries, Aris, Windhoek Rural, Khomas Region, Namibiavon Knorring, O., Petersen, O. V. Karup-Moeller, S., Leonardsen, E. S. and Condliffe, E. (1992): Tuperssuatsiaite, from Aris phonolite, Windhoek, Namibia. Neues Jahrbuch f

Crystallography of TuperssuatsiaiteHide

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 13.72 Å, b = 18 Å, c = 4.82 Å
β = 104.28°
a:b:c = 0.762 : 1 : 0.268
Unit Cell V:
1280.91 ų
Acicular or rulershaped crystals up to 1 cm, forming fan-shaped aggregates or rosettes.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0002916TuperssuatsiaiteCamara F, Garvie L A J, Devouard B, Groy T L, Buseck P R (2002) The structure of Mn-tuperssuatsiaite, a palygorskite-related mineral American Mineralogist 87 1458-146320020293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
10.82 Å(10)
4.140 Å(2)
3.395 Å(3)
2.638 Å(4)
2.544 Å(3)
2.510 Å(3)
2.235 Å(3)

Geological EnvironmentHide

Paragenetic Mode(s):

Type Occurrence of TuperssuatsiaiteHide

General Appearance of Type Material:
As cavity filling in late veins, forming mm- to cm-sized redbrown fan shaped aggregates or rosettes of fine fibres
Place of Conservation of Type Material:
Geological Museum, University of Copenhagen,Denmark.
Geological Setting of Type Material:
Alkaline intrusion
Associated Minerals at Type Locality:
Karup-Møller S, Petersen O V (1984) Tuperssuatsiaite, a new mineral species from the Ilímaussaq intrusion in South Greenland. Neues Jahrbuch für Mineralogie, Monatshefte 1984: 501-512

Synonyms of TuperssuatsiaiteHide

Other Language Names for TuperssuatsiaiteHide

Relationship of Tuperssuatsiaite to other SpeciesHide

Other Members of this group:
Palygorskite(Mg,Al)2Si4O10(OH) · 4H2OMon. 2/m : B2/m
Unnamed (Na-Ca-Fe-Silicate-Hydrate)NaCa(Fe2+,Al,Mn)5[Si8O19(OH)](OH)7 · 5H2OTric. 1 : P1
WindhoekiteCa2Fe3+2.67[Si8O20](OH)4 · 10H2O Mon. 2/m : B2/m
Windmountainite◻Fe3+2Mg2Si8O20(OH)2 · 8H2OMon. 2/m : B2/m
YofortieriteMn5Si8O20(OH)2 · 8-9H2OMon. 2/m : B2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
25 photos of Tuperssuatsiaite associated with VilliaumiteNaF
20 photos of Tuperssuatsiaite associated with AegirineNaFe3+Si2O6
15 photos of Tuperssuatsiaite associated with MakatiteNa2Si4O8(OH)2 · 4H2O
15 photos of Tuperssuatsiaite associated with EllingseniteNa5Ca6Si18O38(OH)13 · 6H2O
7 photos of Tuperssuatsiaite associated with NatroliteNa2Al2Si3O10 · 2H2O
4 photos of Tuperssuatsiaite associated with FluoriteCaF2
4 photos of Tuperssuatsiaite associated with QuartzSiO2
4 photos of Tuperssuatsiaite associated with Arisite
3 photos of Tuperssuatsiaite associated with SugiliteKNa2Fe3+2(Li3Si12)O30
3 photos of Tuperssuatsiaite associated with Hainite-(Y)Na2Ca4(Y,REE)Ti(Si2O7)2OF3

Related Minerals - Nickel-Strunz GroupingHide

9.EE.CairncrossiteSr2Ca7-xNa2x(Si4O10)4(OH)2(H2O)15-xTric. 1 : P1
9.EE.10BrokenhilliteMn8Si6O15(OH)10Hex. 6mm : P63mc
9.EE.10Pyrosmalite-(Fe)Fe2+8Si6O15(OH,Cl)10Trig. 3m (3 2/m) : P3m1
9.EE.10FriedeliteMn2+8Si6O15(OH,Cl)10Mon. 2/m : B2/m
9.EE.10Mcgillite(Mn,Fe)8Si6O15(OH)8Cl2Mon. 2/m : B2/m
9.EE.15SchalleriteMn2+16As3Si12O36(OH)17Trig. 3m : P3m1
9.EE.20Palygorskite(Mg,Al)2Si4O10(OH) · 4H2OMon. 2/m : B2/m
9.EE.20YofortieriteMn5Si8O20(OH)2 · 8-9H2OMon. 2/m : B2/m
9.EE.20WindhoekiteCa2Fe3+2.67[Si8O20](OH)4 · 10H2O Mon. 2/m : B2/m
9.EE.25Falcondoite(Ni,Mg)4Si6O15(OH)2 · 6H2OOrth.
9.EE.25LoughliniteNa2Mg3Si6O16 · 8H2OOrth.
9.EE.25SepioliteMg4(Si6O15)(OH)2 · 6H2OOrth. mmm (2/m 2/m 2/m) : Pnna
9.EE.25Kalifersite(K,Na)5Fe3+7Si20O50(OH)6 · 12H2OTric.
9.EE.30GyroliteNaCa16Si23AlO60(OH)8 · 14H2OTric. 1 : P1
9.EE.30OrlymaniteCa4Mn3Si8O20(OH)6 · 2H2OHex.
9.EE.30TungusiteCa4Fe2Si6O15(OH)6Tric. 1 : P1
9.EE.35Reyerite(Na,K)2Ca14(Si,Al)24O58(OH)8 · 6H2OTrig.
9.EE.35Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2OTrig.
9.EE.45MakatiteNa2Si4O8(OH)2 · 4H2OMon. 2/m : P21/b
9.EE.50VarennesiteNa8Mn2Si10O25(OH,Cl)2 · 12H2OOrth.
9.EE.55RaiteNa4Mn2+3Ti0.25Si8O20(OH)2 · 10H2OOrth. 2 2 2 : C2 2 2
9.EE.60IntersiliteNa6Mn2+Ti[Si10O24(OH)](OH)3 · 4H2OMon.
9.EE.65ShafranovskiteNa3K2(Mn,Fe,Na)4[Si9(O,OH)27](OH)2 · nH2OTrig.
9.EE.65ZakharoviteNa4Mn5Si10O24(OH)6 · 6H2OTrig.
9.EE.70ZeophylliteCa13Si10O28(OH)2F8 · 6H2OTrig. 3 : R3
9.EE.80Fedorite(Na,K)2-3(Ca4Na3)Si16O38(OH,F)2 · 3.5H2OTric. 1 : P1
9.EE.80Martinite(Na,◻,Ca)12Ca4(Si,S,B)14B2O38(OH,Cl)2F2 · 4H2OTric. 1 : P1
9.EE.85Lalondeite(Na,Ca)6(Ca,Na)3Si16O38(F,OH)2 · 3H2OTric. 1 : P1

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

74.3.1a.1Palygorskite(Mg,Al)2Si4O10(OH) · 4H2OMon. 2/m : B2/m
74.3.1a.3YofortieriteMn5Si8O20(OH)2 · 8-9H2OMon. 2/m : B2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.20.2AegirineNaFe3+Si2O6Mon. 2/m : B2/b
14.20.4WilkinsoniteNa2Fe2+4Fe3+2(Si6O18)O2Tric. 1 : P1
14.20.6Riebeckite◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2Mon. 2/m : B2/m
14.20.7 Ferri-anniteKFe2+3((Fe3+,Al)Si3O10)(OH)2
14.20.9Montdorite(K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4Mon. 2/m : B2/m

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 TuperssuatsiaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Karup-Møller, S., Petersen, O.V. (1984): Tuperssuatsiaite, a new mineral species from the Ilímaussaq intrusion in South Greenland, Neues Jahrbuch für Mineralogie, Monatshefte, 1984, 501-512.
Dunn, P. J., Ferraiolo, J, A,, Fleischer, M,, Gobel, V., Grice, J. D., Langley, R. H., Shigley, J. E., Vanko, D. A., Zilczer, J. A.(1985) New mineral names. American Mineralogist, 70: 1329-1335 (Abs.)
von Knorring, O., Petersen, O. V. Karup-Moeller, S., Leonardsen, E. S. and Condliffe, E. (1992): Tuperssuatsiaite, from Aris phonolite, Windhoek, Namibia. Neues Jahrbuch für Mineralogie Monatshefte, 1992, 145-152.
Jambor, J. L. (1992) New mineral names. American Mineralogist, 77: 1305-1309 (Abs.)
Mineralogical Record (1998): 29: 109.
Cámara, F., Garvie, L. A. J., Devouard, B., Groy, T. L. and Buseck, P. R. (2002): The structure of Mn-rich tuperssuatsiaite: A palygorskite-related mineral. Am. Mineral. 87, 1458-1463.

Internet Links for TuperssuatsiaiteHide

Localities for TuperssuatsiaiteHide

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.
  • Minas Gerais
    • Poços de Caldas alkaline complex
      • Poços de Caldas
Atencio, D. , Coutinho, J.M.V. and Vlach, S.R.F. (2005). "Tuperssuatsiaite from the Bortolan quarry, Poços de Caldas, Minas Gerais, Brazil." The Mineralogical Record, 36(3),pp:275-280.
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
HORVÁTH, L. and HORVÁTH-PFENNINGER, E. (2000) Die Mineralien des Mont Saint-Hilaire. Lapis, 25, Nr. 7/8, 23-61 (in German).; HORVÁTH, L., PFENNINGER‑HORVÁTH, E. (2000) I minerali di Mont-Saint-Hilaire (Québec, Canada) Rivista Mineralogica Italiana, XXIV, 140-202 (in Italian with English summary).
      • Lajemmerais RCM
        • Varennes & St-Amable
HORVÁTH, L., PFENNINGER HORVÁTH, E., GAULT, R.A., and TARASSOFF, P. (1998) Mineralogy of the Saint Amable sill, Varennes and Saint Amable, Québec, Canada. Mineralogical Record, 29, 83 118.
Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.
  • Kujalleq
Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
      • Kangerluarsuk Fjord
        • Head of Kangerluarsuk
          • Lilleelv
Knut Edvard Larsen collection # 1107 ( Ex Hans Vidar Ellingsen & Astrid Haugen collection)
Pekov, I.V. et al. (2002): Karupmollerite-Ca, (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4.7H2O, a new mineral of the labuntsovite group from the Ilimaussaq alkaline complex, South Greenland, Neues Jahrbuch für Mineralogie, Monatshefte, Vol. 10, 433-444
      • Tunulliarfik Fjord
Karup-Møller, S. & Petersen. O. V. (1984): Tuperssuatsiaite, a new mineral species from the Ilímaussaq intrusion in South Greenland, Neues Jahrbuch für Mineralogie, Monatshefte. 1984. 501-512
Karup-Møller, S. & Petersen. O. V. (1984): Tuperssuatsiaite, a new mineral species from the Ilímaussaq intrusion in South Greenland, Neues Jahrbuch für Mineralogie, Monatshefte. 1984. 501-512; Min Rec 36:3 pp275-280
  • Khomas Region
    • Windhoek Rural
      • Aris
von Knorring, O. and Franke, W. (1987): A preliminary note on the mineralogy and geochemistry of the Aris phonolite, SWA/Namibia. Communications of the Geological Survey of South West Africa / Namibia, 3, 65 [as "unknown iron silicate"]; von Knorring, O., Petersen, O. V. Karup-Moeller, S., Leonardsen, E. S. and Condliffe, E. (1992): Tuperssuatsiaite, from Aris phonolite, Windhoek, Namibia. Neues Jahrbuch für Mineralogie Monatsh., 1992, 145-152.; Min Rec 36:3 pp275-280; Cámara, F., Garvie, L. A. J., Devouard, B., Groy, T. L. and Buseck, P. R. (2002): The structure of Mn-rich tuperssuatsiaite: A palygorskite-related mineral. Am. Mineral. 87, 1458-1463; []; Rocks & Min. (2007) 82:243-244; Chukanov, N. V.; Britvin, S. N.; Blass, G.; Belakovskiy, D. I.; Van, K. V. (2012): Windhoekite, Ca2Fe3+3-x(Si8O20)(OH)4•10H2O, a new palygorskite-group mineral from the Aris phonolite, Namibia. European Journal of Mineralogy 24, 171-179. [includes analysis of a tuperss.]
  • Murmansk Oblast
    • Lovozersky District
Takai, Y., Uehara, S., Inoo, T. (2011) Minerals from Khibiny, Kola, Russia. Chigaku Kenkyu, 60 (1), 41-46.; Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
Pekov, I. V. (2000) Lovozero Massif - History, Pegmatites, Minerals. Ocean Pictures LTD: Moscow 2000.
  • Arkansas
J. Michael Howard (2007) Mineral Species of Arkansas : Arkansas Geological Commission Bulletin 23
  • New Mexico
    • Otero Co.
      • Cornudas Mountains
Jerry Cone Collection
Mineral and/or Locality  
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