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Natrodufrénite

A valid IMA mineral species
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00200190014948525922536.jpg
Natrodufrénite

Augusta Ridge phosphate locality, Cherokee County, Alabama, USA
04354070014947187435219.jpg
Natrodufrénite

Indian Mountain, Cherokee County, Alabama, USA
05154400016250605161428.jpg
Natrodufrénite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
07927750014959029963489.jpg
Natrodufrénite

Augusta Ridge phosphate locality, Cherokee County, Alabama, USA
04354070014947187435219.jpg
Natrodufrénite

Indian Mountain, Cherokee County, Alabama, USA
04073440016249737988027.jpg
Natrodufrénite

Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
00200190014948525922536.jpg
Natrodufrénite

Augusta Ridge phosphate locality, Cherokee County, Alabama, USA
04354070014947187435219.jpg
Natrodufrénite

Indian Mountain, Cherokee County, Alabama, USA
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About NatrodufréniteHide

Formula:
NaFe2+Fe3+5(PO4)4(OH)6 · 2H2O
Colour:
Greenish brown
Hardness:
3½ - 4½
Specific Gravity:
3.20
Crystal System:
Monoclinic
Name:
For being the Na analogue of dufrénite.
Isostructural with:
Burangaite, Dufrénite, Matioliite
The Na analogue of dufrénite (which is distinctly less common by comparison, and visually indistinguishable from natrodufrénite) and the ferrous iron analogue of gayite.


Unique IdentifiersHide

Mindat ID:
2854
Long-form identifier:
mindat:1:1:2854:3
GUID
(UUID V4):
7d38a435-25c1-49bf-9029-019b6ba44b41

IMA Classification of NatrodufréniteHide

Classification of NatrodufréniteHide

Strunz-mindat (2023):
8.DK.15

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 ed.:
42.9.1.3

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)7(XO4)4Zq·xH2O
Hey's CIM Ref.:
19.14.6

19 : Phosphates
14 : Phosphates of Fe and other metals

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
NdfIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of NatrodufréniteHide

Transparency:
Translucent
Colour:
Greenish brown
Streak:
Green
Hardness:
3½ - 4½ on Mohs scale
Tenacity:
Brittle
Density:
3.20(3) g/cm3 (Measured)    3.23 g/cm3 (Calculated)

Optical Data of NatrodufréniteHide

Type:
Biaxial (+)
RI values:
nα = 1.756 nγ = 1.775
Max Birefringence:
δ = 0.019
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
distinct to strong
Pleochroism:
Visible
Comments:
X = pale yellow; Z = dark green.

Chemistry of NatrodufréniteHide

Mindat Formula:
NaFe2+Fe3+5(PO4)4(OH)6 · 2H2O
Elements listed:
Fe, H, Na, O, P - search for minerals with similar chemistry

Crystallography of NatrodufréniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 25.83(2) Å, b = 5.150(3) Å, c = 13.772(9) Å
β = 111.53°
Ratio:
a:b:c = 5.016 : 1 : 2.674
Unit Cell V:
1,704.19 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Radially fibrous spherulites, to 5 mm, may be in warty nodules.
Comment:
By analogy to dufrénite.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
12.04 Å(80)
5.040 Å(60)
4.124 Å(50)
3.400 Å(80)
3.204 Å(80)
3.152 Å(100)
2.989 Å(50)
Comments:
Close to dufrénite.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47c : [Carbonates, phosphates, borates, nitrates]

Type Occurrence of NatrodufréniteHide

Type Locality:
ⓘ Pluherlin Castle, Rochefort-en-Terre, Vannes, Morbihan, Brittany, France
General Appearance of Type Material:
Blue-green spheres of compact radiating fibers up to 0.5 cm in diameter.
Place of Conservation of Type Material:
Natural History Museum, Paris, France, 106384, 106385.
National School of Mines, Paris, France, 18329.
Geological Setting of Type Material:
Limonitic ore bed; formed by low temperature, supergene alteration.
Associated Minerals at Type Locality:
GoethiteCyrilovite
Reference:
Fontan, F., Pillard, F., Permingeat, F. (1982) La natrodufrénite (Na,▯)(Fe+++,Fe++)(Fe+++,Al)5(PO4)4(OH)6.2H2O, une nouvelle espèce minérale du groupe de la dufrénite. Bulletin de Minéralogie, 105, 321-326.

Synonyms of NatrodufréniteHide

Other Language Names for NatrodufréniteHide

Relationship of Natrodufrénite to other SpeciesHide

Member of:
Dufrénite Group
Other Members of this group:
BimbowrieiteNaMgFe3+5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
BurangaiteNaFe2+Al5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
DufréniteCa0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
GayiteNaMn2+Fe3+5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
MatioliiteNaMgAl5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b

Common AssociatesHide

Associated Minerals Based on Photo Data:
26 photos of Natrodufrénite associated with CyriloviteNaFe3+3(PO4)2(OH)4 · 2H2O
19 photos of Natrodufrénite associated with KidwelliteNaFe3+9+x(PO4)6(OH)11 · 3H2O, x = 0.33
13 photos of Natrodufrénite associated with StrengiteFePO4 · 2H2O
12 photos of Natrodufrénite associated with LeucophosphiteKFe3+2(PO4)2(OH) · 2H2O
10 photos of Natrodufrénite associated with CacoxeniteFe3+24AlO6(PO4)17(OH)12 · 75H2O
7 photos of Natrodufrénite associated with WavelliteAl3(PO4)2(OH,F)3 · 5H2O
6 photos of Natrodufrénite associated with QuartzSiO2
3 photos of Natrodufrénite associated with KapundaiteNaCaFe4(PO4)4(OH)3 · 5H2O
2 photos of Natrodufrénite associated with AutuniteCa(UO2)2(PO4)2 · 10-12H2O
2 photos of Natrodufrénite associated with XanthoxeniteCa4Fe3+2(PO4)4(OH)2 · 3H2O

Related Minerals - Strunz-mindat GroupingHide

8.DK.RichelsdorfiteCa2Cu5Sb(AsO4)4(OH)6Cl · 6H2OMon. 2/m : B2/m
8.DK.BimbowrieiteNaMgFe3+5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
8.DK.PuttapaitePb2Mn2+2ZnCr3+4O2(AsO4)4(OH)6 · 12H2OMon. 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.10NatropharmacosideriteNaFe3+4(AsO4)3(OH)4 · 4H2OIso. 4 3m : P4 3m
8.DK.10Hydroniumpharmacosiderite(H3O)Fe4(AsO4)3(OH)4 · 4H2OIso. 4 3m : P4 3m
8.DK.10StrontiopharmacosideriteSr0.5Fe4[(AsO4)3(OH)4] · 4H2O Tet. 4 2m : P4 2m
8.DK.10ThalliumpharmacosideriteTlFe4[(AsO4)3(OH)4] · 4H2OIso. 4 3m : F4 3m
8.DK.10PlumbopharmacosideritePb0.5Fe3+4(AsO4)3(OH)4 · 5H2OIso. 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.12Hydroniumpharmacoalumite(H3O)Al4(AsO4)3(OH)4 · 4.5H2OIso. 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.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.25Bleasdaleite(Ca,Fe3+)2Cu5(Bi,Cu)(PO4)4(H2O,OH,Cl)13Mon. 2/m : B2/m
8.DK.30Matulaite(Fe3+,Al)Al7(PO4)4(PO3OH)2(OH)8(H2O)8 · 8H2OMon. 2/m
8.DK.35KrasnoviteBa(Al,Mg)(PO4,CO3)(OH)2 · H2OOrth. mmm (2/m 2/m 2/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.

Internet Links for NatrodufréniteHide

References for NatrodufréniteHide

Reference List:
Fontan, François, Pillard, François, Permingeat, François, Fontan, François, Pillard, François, Permingeat, François (1982) La natrodufrénite (Na,◻) (Fe+++,Fe++) (Fe+++,Al)5(PO4)4(OH)6 • 2H2O, une nouvelle espèce minérale du groupe de la dufrénite. Bulletin de Minéralogie, 105 (4) 321-326 doi:10.3406/bulmi.1982.7623
Dunn, P.J., Grice, J.D., Fleischer, M., Pabst, A. (1983) New mineral names. American Mineralogist, 68. 1039.

Localities for NatrodufréniteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Córdoba Province
    • Cruz del Eje department
      • Candelaria District
Kampf, A. R., Colombo, F., del Tanago, J. G. (2010) Gayite, a new dufrenite-group mineral from the Gigante granitic pegmatite, Cordoba province, Argentina. American Mineralogist, 95 (2). 386-391 doi:10.2138/am.2010.3299
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
        • Broken Hill
          • Broken Hill South Mine (BHS Mine; South Mine)
Birch, W.D., van der Heyden, A. (1997) Minerals of the Kintore and Block 14 open cuts at Broken Hill NSW. Australian Journal of Mineralogy: 3: 23-71.
Day, B. (1998) News from Down Under. UK Journal of Mines and Minerals 19, 28-29
  • Queensland
    • City of Mount Isa
      • Gunpowder District
        • Mount Gordon
Day, B. E. & Beyer, B. D. (1996): Some mines of the Mt Isa district. Part 3 - The Mt Oxide mine. Australian J. of Mineralogy 2 (1), 3-10.
    • Cloncurry Shire
      • Cloncurry
Derrick, G.m., Millist, G., Little, M., D'Addario, G.w., Bultitude, J.m., & Wilson, I.h., 1977. Marraba 1:100 000 Geological Map. Bureau Of Mineral Resources, Geology And Geophysics, And Geological Survey Of Queensland
  • South Australia
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Barossa Valley
          • Penrice
Peter Elliott
        • Kapunda
Vince Peisley specimen
        • Robertstown
Peter Elliott
    • Olary Province
      • Ameroo Hill
Australian Journal of Mineralogy, Vol.3, N°2, Dec.1997
Australian Journal of Mineralogy, Vol.3, N°2, Dec.1997
  • Victoria
    • City of Greater Shepparton
      • Dookie
        • Ascot Hills
    • Mount Alexander Shire
      • Castlemaine
        • Campbells Creek
P. Sutton (2007): Cyrilovite and natrodufrenite from near Campbells Creek, Victoria. Australian Journal of Mineralogy, 13(2), 65-71.
    • Swan Hill Rural City
      • Lake Boga
Birch, W.D. (1996) Portlandite and other recent mineral discoveries in the granites at Lake Boga, and Wycheproof and Pyramid Hill, Victoria. Australian Journal of Mineralogy: 2(2): 47-50.
Austria
 
  • Lower Austria
    • Gmünd District
      • Großdietmanns
        • Unterlembach
Brandstätter, G. & Niedermayr, G. (1990): 802. Meta-Uranocircit und Natrodufrenit vom Eichberg bei Gmünd, Niederösterreich. Pp. 271-272 in Niedermayr, G. et al. (1990): Neue Mineralfunde aus Österreich XXXIX. Carinthia II, 180./100., 245-288.
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
Brazil
 
  • Minas Gerais
    • Conselheiro Pena
Sergio Varvello collection
    • Galiléia
      • Sapucaia do Norte
Sergio Varvello collection
Chile
 
  • Antofagasta
    • Antofagasta Province
      • Mejillones
        • Mejillones peninsula
XRD by Gerhard Möhn, SEM-EDS by Stefan Diller
    • El Loa Province
      • Calama
        • Chuquicamata District
maurizio dini collection - analysed material
  • Atacama
    • Chañaral Province
      • Diego de Almagro
        • El Salvador mining district
maurizio dini collection - analysed material
  • Tarapacá
    • Tamarugal Province
      • Pica
        • Collahuasi mining district
Sulphides analysed by geology dep. of company
sulphates, phosphates, analysed by Bob Jenkins (Usa) 2007
Czech Republic
 
  • Karlovy Vary Region
    • Sokolov District
      • Krásno
Sejkora, J., Škoda, R., Ondruš, P., Beran, P. & Susser, C. (2006): Mineralogy of phosphate accumulations in the Huber stock, Krásno ore district, Slavkovský les area, Czech Republic. Journal of the Czech Geological Society 51, 103-147.
Sejkora, J., Skoda, R., & Ondrus, P. (2006). New naturally occurring mineral phases from the Krásno-Horní Slavkov area, western Bohemia, Czech Republic. Journal of GEOsciences, 51(1-2), 159-187.
        • Vysoký Kámen
Sejkora, J., Süsser, C., Plášil, J.: Natrodufrénit a asociace fosfátů, ložisko Vysoký kámen – greisen, Krásno u Horního Slavkova. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2007, roč. 14-15, s. 116-125.
  • Liberec Region
    • Semily District
Škoda, R., Rus, P.: Revize dufrenitu z Poniklé. Minerál, 2010, roč. 18, č. 2, s. 119-123.
  • South Bohemian Region
    • Písek District
      • Čížová
Sejkora J., Cícha J., Jebavá I.: Minerální asociace fosfátů z Čížové u Písku (Česká republika). Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2011, 19, 1, 1-26.
  • Vysočina Region
    • Pelhřimov District
      • Křeč
Vrtiška L, Sejkora J, Malíková R, Kadlec T (2017) Revize a nové nálezy fosfátů na historickém nalezišti Černovice u Tábora (Česká republika). Bull Mineral Petrolog 25(2)
    • Žďár nad Sázavou District
      • Bory
        • Horní Bory
          • Cyrilov (Cyrillhof)
Škoda, R., Staněk, J., Čopjaková, R.: Minerální asociace fosfátových nodulí z granitického pegmatitu od Cyrilova u Velkého Meziříčí, Moldanubikum
část 1 – primární a exsoluční fáze. Acta Mus. Moraviae, Sci. geol., 2007, 92, 59-74.
France
 
  • Auvergne-Rhône-Alpes
    • Allier
      • Vichy
        • Échassières
          • Montmins mining district
Yannick Vessely collection - SEM-EDS analysed by Chollet Pascal at "Laboratoire magmas et volcans", Clermont-Ferrand
            • Le Mazet
Uwe Kolitsch (SXRD + SEM-EDS)
Boisson, J.-M., Leydet, J.-C., Queneau, P., Revel, C., and Valverde, J. (2000) Filon Sainte-Barbe, Commune d'´Échassières (Allier, France). Le Cahier des Micromonteurs, 4, 3-46.
Mestrom, P., Lustenhouwer, W. & Kars, S. (2011): Les Montmins (Massif Central, F) nader bekeken. GEA, 44 (1), 16-21 (in Dutch).
  • Brittany
    • Morbihan
      • Pontivy
        • Plumelin
Pierre Le Roch & Jean-Marc Johannet collections
      • Vannes
        • Rochefort-en-Terre
Bull.Mineral. (1982): 105, 321-326.
  • Nouvelle-Aquitaine
    • Deux-Sèvres
      • Bressuire
        • Mauléon
          • Le Temple
Jean-Marc Johannet collection (unpublished SEM-EDS analyses by Vincent Bourgouin)
  • Occitanie
    • Aveyron
      • Villefranche-de-Rouergue
        • La Capelle-Bleys
Gayraud, L., Gineste, C., Bernadi, G. & Johannet, J.-M. (2011) - Bleys et Puech de Compolibat: deux localités minéralogiques remarquables du massif de leucogranite de La Capelle-Bleys (Aveyron), Le Cahier des Micromonteurs, 111(1), 7-23
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Ortenaukreis
        • Oberwolfach
Collected by Hans-Peter Maaßen
analyzed by J. Desor / G. Blaß
  • Hesse
    • Giessen Region
      • Limburg-Weilburg
        • Weinbach
Blaß, G. (2002): Eine neue Phosphatmineralien-Paragenese von der Grube Mark bei Essershausen, mittleres Lahngebiet, Taunus. Mineralien-Welt, 13 (6), 18-43. (in German)
  • Rhineland-Palatinate
    • Altenkirchen
      • Daaden-Herdorf
        • Herdorf
          • Dermbach
Hucko, S. (2010): Phosphatparagenesen auf Brauneisensteingängen am Windhahn. Mineralien-Welt 21 (2), 14-25.
    • Westerwaldkreis
      • Wirges
        • Dernbach
SEM-EDS, Raman Spectroscopy by Joy Desor
  • Saxony
    • Erzgebirgskreis
      • Ehrenfriedersdorf
Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
Hungary
 
  • Borsod-Abaúj-Zemplén County
    • Miskolc District
      • Bükkszentkereszt
collector: Regina Körmendy, XRD: Béla Fehér, WDS: Norbert Zajzon
Italy
 
  • Liguria
    • Savona Province
Bruno Marello collection
Marco Ciriotti 2010
Balestra C. (2009): Sistematica ligure 2009. Prie, 5, 97-100.
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Amerzgane Cercle
        • Ouisselsate Caïdat
Favreau, G. (2012): Les minéralisations à phosphates de la pegmatite d'Angarf-Sud (Maroc).Le Cahier des Micromonteurs, 3-2012, 3-70.
Portugal
 
  • Bragança
    • Torre de Moncorvo
      • Felgar e Souto da Velha
Pedro Alves collection and analytical data.
  • Viseu
    • Vila Nova de Paiva
Identified in Rebentão Mine
      • Queiriga
        • Lagares do Estanho Mines
Nuno Afonso collection
Spain
 
  • Castile-La Mancha
    • Ciudad Real
      • Almodóvar del Campo
www.foro-minerales.com (2022) https://www.foro-minerales.com/forum/viewtopic.php?t=15032
www.foro-minerales.com (2022) https://www.foro-minerales.com/forum/gen_imag/Minas_El_Horcajo_BSB_2022/Minas_El_Horcajo_BSB_2022.pdf
www.foro-minerales.com (2022) https://www.foro-minerales.com/forum/viewtopic.php?t=15032
  • Castile and Leon
    • Zamora
      • Villar del Buey
Roda-Robles, Encarnación, Fontan, François, Pesquera Pérez, Alfonso, Keller, Paul (1998) The Fe-Mn phosphate associations from the Pinilla de Fermoselle pegmatite, Zamora, Spain: occurrence of kryzhanovskite and natrodufrénite. European Journal of Mineralogy, 10 (1) 155-168 doi:10.1127/ejm/10/1/0155
  • Extremadura
    • Cáceres
      • Zarza la Mayor
Viñals, J. and Calvo, M. (2011). Secondary phosphates of La Paloma mine, Zarza la Mayor, Cáceres, Spain. Mineral Up 2 (5), 8-31.
USA
 
  • Alabama
    • Cherokee County
Henry Barwood
Henry Barwood
  • Arizona
    • Graham County
      • Lone Star Mining District (Safford Mining District; Dos Pobres Mining District)
        • Lone Star
          • Lone Star Mountain
Grant, Raymond W., Bideaux, R.A., Williams, S.A. (2005) Minerals Added to the Arizona List 1995-2005 (1st ed.)
  • Nevada
    • Humboldt County
      • Iron Point Mining District
        • Valmy
Silver Coin Mine. Compact Disc. Paul Adams
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