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Matulaite

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Bachman Mine, Hellertown, Lower Saucon Township, Northampton Co., Pennsylvania, USA
© 2010, JGW

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Formula:
(Fe
3+
 
,Al)Al
 
7
(PO
 
4
)
 
4
(PO
 
3
OH)
 
2
(OH)
 
8
(H
 
2
O)
 
8
 · 8H
 
2
O
Originally assumed to be CaAl18(PO4)12(OH)20.28H2O
System:MonoclinicHardness:1
Name:For Margaret Mary Matula (1925– ), Allentown, Pennsylvania, USA, who discovered the mineral.
This page provides mineralogical data about Matulaite.

Classification of Matulaite

IMA status:Approved 1977
Strunz 8th edition ID:7/D.50-10
Nickel-Strunz 10th (pending) edition ID:8.DK.30

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
K : With large and medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1
Dana 8th edition ID:42.13.3.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
13 : Miscellaneous
Hey's CIM Ref.:19.8.17

19 : Phosphates
8 : Phosphates of Al and other metals
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Type Occurrence of Matulaite

Type Locality:Bachman Mine, Hellertown, Lower Saucon Township, Northampton Co., Pennsylvania, USA
Year of Discovery:1978

Physical Properties of Matulaite

Hardness (Mohs):1

Crystallography of Matulaite

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

Optical Data of Matulaite

Type:Biaxial (-)
Dispersion:very weak

Chemical Properties of Matulaite

Formula:
(Fe
3+
 
,Al)Al
 
7
(PO
 
4
)
 
4
(PO
 
3
OH)
 
2
(OH)
 
8
(H
 
2
O)
 
8
 · 8H
 
2
O


Originally assumed to be CaAl18(PO4)12(OH)20.28H2O
Essential elements:Al, Fe, H, O, P
All elements listed in formula:Al, Fe, H, O, P

Relationship of Matulaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DK.Richelsdorfite
Ca
 
2
Cu
 
5
Sb(AsO
 
4
)
 
4
(OH)
 
6
Cl · 6H
 
2
O
8.DK.10Bariopharmacosiderite
Ba
 
0.5
Fe
3+
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 5H
 
2
O
8.DK.10Pharmacosiderite
KFe
3+
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 6-7H
 
2
O
8.DK.10Natropharmacosiderite
(Na,K)Fe
3+
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 6-7H
 
2
O
8.DK.10Hydroniumpharmacosiderite
(H
 
3
O)Fe
 
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 4H
 
2
O
8.DK.12Pharmacoalumite
KAl
 
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 6.5H
 
2
O
8.DK.12Natropharmacoalumite
NaAl
 
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 4H
 
2
O
8.DK.12Bariopharmacoalumite
BaAl
 
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 4H
 
2
O
8.DK.15Burangaite
NaFe
2+
 
Al
 
5
(PO
 
4
)
 
4
(OH)
 
6
 · 2H
 
2
O
8.DK.15Dufrénite
Ca
 
0.5
Fe
2+
 
Fe
3+
5
(PO
 
4
)
 
4
(OH)
 
6
 · 2H
 
2
O
8.DK.15Natrodufrénite
NaFe
2+
 
(Fe
3+
 
,Al)
 
5
(PO
 
4
)
 
4
(OH)
 
6
 · 2H
 
2
O
8.DK.15Matioliite
NaMgAl
 
5
(PO
 
4
)
 
4
(OH)
 
6
 · 2H
 
2
O
8.DK.15Gayite
NaMn
2+
 
Fe
3+
5
(PO
 
4
)
 
4
(OH)
 
6
 · 2H
 
2
O
8.DK.20Kidwellite
NaFe
3+
9
(PO
 
4
)
 
6
(OH)
 
11
 · 3H
 
2
O
8.DK.25Bleasdaleite
(Ca,Fe
3+
 
)
 
2
Cu
 
5
(Bi,Cu)(PO
 
4
)
 
4
(H
 
2
O,OH,Cl)
 
13
8.DK.35Krasnovite
Ba(Al,Mg)(PO
 
4
,CO
 
3
)(OH)
 
2
 · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
19.8.1Montebrasite
LiAl(PO
 
4
)(OH)
19.8.2Brazilianite
NaAl
 
3
(PO
 
4
)
 
2
(OH)
 
2
19.8.3Wardite
NaAl
 
3
(PO
 
4
)
 
2
(OH)
 
4
 · 2H
 
2
O
19.8.4Tancoite
LiNa
 
2
Al(PO
 
4
)(HPO
 
4
)(OH)
19.8.5Bertossaite
(Li,Na)
 
2
(Ca,Fe
2+
 
,Mn
2+
 
)Al
 
4
(PO
 
4
)
 
4
(OH,F)
 
4
19.8.6Tinsleyite
KAl
 
2
(PO
 
4
)
 
2
(OH) · 2H
 
2
O
19.8.7Taranakite
(K,NH
 
4
)Al
 
3
(PO
 
4
)
 
3
(OH) · 9H
 
2
O
19.8.8Francoanellite
K
 
3
Al
 
5
(PO
 
4
)
 
2
(HPO
 
4
)
 
3
 · 12H
 
2
O
19.8.9Gordonite
MgAl
 
2
(PO
 
4
)
 
2
(OH)
 
2
 · 8H
 
2
O
19.8.10Aldermanite
Mg
 
5
Al
 
12
(PO
 
4
)
 
8
(OH)
 
22
 · 32H
 
2
O
19.8.11Overite
CaMgAl(PO
 
4
)
 
2
(OH) · 4H
 
2
O
19.8.12Montgomeryite
Ca
 
4
MgAl
 
4
(PO
 
4
)
 
6
(OH)
 
4
 · 12H
 
2
O
19.8.14Foggite
CaAl(PO
 
4
)(OH)
 
2
 · H
 
2
O
19.8.15Gatumbaite
CaAl
 
2
(PO
 
4
)
 
2
(OH)
 
2
 · H
 
2
O
19.8.16Crandallite
CaAl
 
3
(PO
 
4
)
 
2
(OH)
 
5
 · H
 
2
O
19.8.19Lehiite
19.8.20Millisite
(Na,K)CaAl
 
6
(PO
 
4
)
 
4
(OH)
 
9
 · 3H
 
2
O
19.8.21Englishite
K
 
3
Na
 
2
Ca
 
10
Al
 
15
(PO
 
4
)
 
21
(OH)
 
7
 · 26H
 
2
O
19.8.22Kleemanite
ZnAl
 
2
(PO
 
4
)
 
2
(OH)
 
2
 · 3H
 
2
O
19.8.23Mantienneite
KMg
 
2
Al
 
2
Ti(PO
 
4
)
 
4
(OH)
 
3
 · 15H
 
2
O
19.8.24Paulkerrite
K(Mg,Mn
2+
 
)
 
2
(Fe
3+
 
,Al,Ti,Mg)
 
2
Ti(PO
 
4
)
 
4
(OH)
 
3
 · 15H
 
2
O

Other Names for Matulaite

Synonyms:
IMA1977-013
Other Languages:
German:Matulait
Spanish:Matulaita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Matulaite

Reference List:

- +
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.

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. [mentions new formula of matulaite]

Internet Links for Matulaite

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    • Localities for Matulaite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    France
     
    • Midi-Pyrénées
      • 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
    Germany
     
    • Bavaria
      • Upper Palatinate
        • Oberpfälzer Wald
          • Vohenstrauß
            • Waidhaus
              • Hagendorf
    		Mücke, A., Schnorrer-Köhler, G., Haase, J., (1989): Über einige Neufunde (Matulait, Chalkantit, und Jarosit)....., Der Aufschluss, Vol. 40, 295-307
    • Hesse
      • Wetzlar
        • Waldgirmes
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
    • North Rhine-Westphalia
      • Sauerland
        • Warstein
          • Hirschberg
    		D. Pawlowski: "Mineralfundstellen im Sauerland", Weise (Munich), 1991
    Portugal
     
    • Viana do Castelo District
      • Ponte da Barca
    		Self-find by Nuno Afonso; optical and XRD analysed
    USA
     
    • Nevada
      • Mineral Co.
        • Candelaria District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Leonard S.Wiener and Sigrid Ballew,1995, Updated by Kenny Gay,2006, A Listing Of North Carolina Minerals,Geologic Note No.4
      • 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
      • 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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