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About MatulaiteHide

Margaret "Marge" M. Matula
(Fe3+,Al)Al7(PO4)4(PO3OH)2(OH)8(H2O)8 · 8H2O
Originally assumed to be CaAl18(PO4)12(OH)20.28H2O
Crystal System:
Named in honor of Margaret "Marge" Mary Matula (née Buckanin) (29 December 1925, Phillips, Wisconsin, USA - ), mineral collector from Allentown, Pennsylvania, USA. She discovered the mineral. She was elected to the Micromounters' Hall of Fame in 2002.
This page provides mineralogical data about Matulaite.

Classification of MatulaiteHide

Approval Year:

D : Phosphates, etc. with additional anions, with H2O
K : With large and medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1

13 : Miscellaneous

19 : Phosphates
8 : Phosphates of Al and other metals

Physical Properties of MatulaiteHide


Optical Data of MatulaiteHide

Biaxial (-)
very weak

Chemical Properties of MatulaiteHide

(Fe3+,Al)Al7(PO4)4(PO3OH)2(OH)8(H2O)8 · 8H2O

Originally assumed to be CaAl18(PO4)12(OH)20.28H2O
IMA Formula:
Fe3+Al7(PO4)4(PO3OH)2(OH)8(H2O)8 · 8H2O

Crystallography of MatulaiteHide

Crystal System:
Cell Parameters:
a = 20.4 Å, b = 16.7 Å, c = 10.6 Å
β = 98.2°
a:b:c = 1.222 : 1 : 0.635
Unit Cell V:
3,574.29 ų (Calculated from Unit Cell)

Type Occurrence of MatulaiteHide

Synonyms of MatulaiteHide

Other Language Names for MatulaiteHide


Common AssociatesHide

Associated Minerals Based on Photo Data:
Wavellite2 photos of Matulaite associated with Wavellite on mindat.org.
Cacoxenite2 photos of Matulaite associated with Cacoxenite on mindat.org.
Afmite2 photos of Matulaite associated with Afmite on mindat.org.
Jahnsite1 photo of Matulaite associated with Jahnsite on mindat.org.
Leucophosphite1 photo of Matulaite associated with Leucophosphite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.DK.RichelsdorfiteCa2Cu5Sb(AsO4)4(OH)6Cl · 6H2OMon. 2/m : B2/m
8.DK.10BariopharmacosideriteBa0.5Fe3+4(AsO4)3(OH)4 · 5H2OTet. 4 2m : P4 2m
8.DK.10PharmacosideriteKFe3+4(AsO4)3(OH)4 · 6-7H2OIso. 4 3m : P4 3m
8.DK.10Natropharmacosiderite(Na,K)Fe3+4(AsO4)3(OH)4 · 6-7H2OIso. 4 3m : P4 3m
8.DK.10Hydroniumpharmacosiderite(H3O)Fe4(AsO4)3(OH)4 · 4H2OIso. 4 3m : P4 3m
8.DK.12PharmacoalumiteKAl4(AsO4)3(OH)4 · 6.5H2OIso. 4 3m : P4 3m
8.DK.12NatropharmacoalumiteNaAl4(AsO4)3(OH)4 · 4H2OIso. 4 3m : P4 3m
8.DK.12BariopharmacoalumiteBa0.5Al4(AsO4)3(OH)4 · 4H2OIso. 4 3m : P4 3m
8.DK.15BurangaiteNaFe2+Al5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
8.DK.15DufréniteCa0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
8.DK.15NatrodufréniteNaFe2+Fe3+5(PO4)4(OH)6 · 2H2OMon.
8.DK.15MatioliiteNaMgAl5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
8.DK.15GayiteNaMn2+Fe3+5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
8.DK.20KidwelliteNaFe3+9+x(PO4)6(OH)11 · 3H2O, x = 0.33Mon. 2/m : P2/b
8.DK.35KrasnoviteBa(Al,Mg)(PO4,CO3)(OH)2 · H2OOrth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.8.1MontebrasiteLiAl(PO4)(OH)Tric. 1 : P1
19.8.2BrazilianiteNaAl3(PO4)2(OH)4Mon. 2/m : P2/b
19.8.3WarditeNaAl3(PO4)2(OH)4 · 2H2OTet. 4 2 2 : P41 21 2
19.8.4TancoiteLiNa2Al(PO4)(HPO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pbca
19.8.6TinsleyiteKAl2(PO4)2(OH) · 2H2OMon.
19.8.7Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2OTrig. 3m (3 2/m) : R3c
19.8.8FrancoanelliteK3Al5(PO4)2(HPO4)3 · 12H2OTrig.
19.8.9GordoniteMgAl2(PO4)2(OH)2 · 8H2OTric. 1 : P1
19.8.10AldermaniteMg5Al12(PO4)8(OH)22 · 32H2OOrth.
19.8.11OveriteCaMgAl(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
19.8.12MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2OMon. 2 : B2
19.8.14FoggiteCaAl(PO4)(OH)2 · H2OOrth. mmm (2/m 2/m 2/m)
19.8.15GatumbaiteCaAl2(PO4)2(OH)2 · H2OMon. 2/m : P2/m
19.8.16CrandalliteCaAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
19.8.20Millisite(Na,K)CaAl6(PO4)4(OH)9 · 3H2OTet.
19.8.21EnglishiteK3Na2Ca10Al15(PO4)21(OH)7 · 26H2OMon. 2/m
19.8.22KleemaniteZnAl2(PO4)2(OH)2 · 3H2OMon.
19.8.23MantienneiteKMg2Al2Ti(PO4)4(OH)3 · 15H2OOrth.
19.8.24PaulkerriteK(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2OOrth. mmm (2/m 2/m 2/m) : Pbca

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 MatulaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Moore, P.B. and J. Ito (1980) Jungit und Matulait: Zwei neue taflige
Phosphat-Mineralien. Aufschluss: 31: 55–61 (in German with English abs.).
American Mineralogist (1980): 65: 1067.
Kampf, A.R., Mills, S.J., Rossman, G.R., Steele I.M., Pluth, J.J. and Favreau, G. (2011) Afmite, Al3(OH)4(H2O)3(PO4)(PO3OH)•H2O, a new mineral from Fumade, Tarn, France: description and crystal structure. European Journal of Mineralogy: 23: 269-277. [mentions new formula of matulaite]
Kampf, A.R., Mills, S.J., Rumsey, M.S., Spratt, J. and Favreau, G. (2012) The crystal structure determination and redefinition of matulaite, Fe3+Al7(PO4)4(PO3OH)2(OH)8(H2O)8•8H2O. Mineralogical Magazine: 76(3): 517–534.

Internet Links for MatulaiteHide

Localities for MatulaiteHide

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.
  • Occitanie
    • Tarn
      • Castelnau-de-Brassac
        • Fumade
LHEUR, C. & MEISSER, N. (2010): Découverte de minéraux rares à Castelnau-de-Brassac (Tarn), Le Règne Minéral, 91, 46. XRD and EDS analyses S. Mills & A. Kampf
  • Bavaria
    • Upper Palatinate
      • Waidhaus
        • Hagendorf
Mücke, A., Schnorrer-Köhler, G., Haase, J., (1989): Über einige Neufunde (Matulait, Chalkantit, und Jarosit)....., Der Aufschluss, Vol. 40, 295-307
  • Hesse
    • Lahn-Dill
      • Wetzlar
        • Waldgirmes
Weiss: "Mineralfundstellen, Deutschland West", 1990
  • North Rhine-Westphalia
    • Sauerland
      • Warstein
        • Hirschberg
D. Pawlowski: "Mineralfundstellen im Sauerland", Weise (Munich), 1991
  • Guarda
    • Sabugal
      • Bendada
        • Bendada Mines
ALVES, P., MILLS, S. (2013) Nuevos datos sobre los fosfatos de Bendada, Sabugal (Portugal). ACOPIOS-Revista Ibérica de Mineralogía, Vol 4 (2013): 349-377.
  • Nevada
    • Mineral Co.
      • Candelaria District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Cleveland Co.
      • Kings Mountain District
JBS collection
    • Gaston Co.
      • Bessemer City
American Mineralogist, Volume 65, pages 1065-1070, 1980
  • Pennsylvania
    • Chester Co.
      • East Whiteland Township
Handbook of Mineralogy
    • Northampton Co.
      • Lower Saucon Township
        • Hellertown
Min.Rec.: Sep-Oct 1980:311. Chemical Analysis provided by M.Matula/A. Falster; Anthony R. Kampf, Stuart J. Mills, George R. Rossman, Ian M. Steele, Joseph J. Pluth and Georges Favreau (2011): Afmite, Al3(OH)4(H2O)3(PO4)(PO3OH)•H2O, a new mineral from Fumade, Tarn, France: description and crystal structure. European Journal of Mineralogy 23, 269-277.
Mineral and/or Locality  
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