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Beraunite

Big Photo

Mont-des-Groseillers, Blaton, Mons, Hainaut (Henegouwen; Hennegau) Province, Belgium
© JDehove

Show Beraunite Photos (90)
Formula:
Fe
2+
 
Fe
3+
5
[(OH)
 
5
|(PO
 
4
)
 
4
] · 4H
 
2
O
System:MonoclinicColour:Dark greenish-brown, ...
Lustre:Vitreous, Resinous, PearlyHardness:3 - 4
Name:For the type locality at the Hrbek Mine, Svatá Dobrotivá (St Benigna), Beroun (Beraun), Bohemia, Czech Republic.


A secondary mineral found in bog iron ores and as a cemnet in clays, sands, and bone material; also as an alteration product of triphylite in granitic pegmatites.

Classification of Beraunite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/D.11-70
Nickel-Strunz 10th (pending) edition ID:8.DC.27

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
C : With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
Dana 8th edition ID:42.11.16.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
Hey's CIM Ref.:19.13.10

19 : Phosphates
13 : Phosphates of Fe alone
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Type Occurrence of Beraunite

Type Locality:Hrbek Mine, Svatá Dobrotivá (St Benigna), Beroun (Beraun), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
Place of Conservation of Type Material:Freiberg Mining Academy, Freiberg, Saxony, Germany: #21359.
Year of Discovery:1841

Occurrences of Beraunite

Geological Setting:Bog iron ores, alteration of triphyllite in granitic pegmatites.

Physical Properties of Beraunite

Lustre:Vitreous, Resinous, Pearly
Diaphaneity (Transparency):Translucent
Comment:Lustre pearly on cleavages, resinous on fractures.
Colour:Dark greenish-brown, green (fresh); reddish-brown, red (upon exposure).
Comment:Colouration may be banded.
Streak:Olive drab (fresh); yellow, brownish yellow (upon exposure).
Hardness (Mohs):3 - 4
Cleavage:Distinct/Good
Good on {100}
Density (measured):2.8 - 3.08 g/cm3
Density (calculated):2.894 g/cm3
Comment:Calculated density value of 2.894 = greenish black material; value of 2.970 = orange material.

Crystallography of Beraunite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/b (B1 1 2/b) [C2/c] {C1 2/c 1}
Cell Parameters:a = 20.953(8) Å, b = 5.171(1) Å, c = 19.266(4) Å
β = 93.34°
Ratio:a:b:c = 4.052 : 1 : 3.726
Unit Cell Volume:V 2,083.89 ų (Calculated from Unit Cell)
Z:4
Morphology:crystals rare and small, tabular {100}, elongated [010], striated on {100} parallel to [010]. Coarse radial-fibrous aggregates; globular; discoidal with a coarse-fibrous structure; as crusts.
Twinning:On {100}, may be interpenetrant.
Comment:Cell parameter values for greenish black material; orange material values = a = 20.646; b = 5.129, c = 19.213; β = 93.67.

Optical Data of Beraunite

Type:Biaxial (+)
RI values: nα = 1.775 nβ = 1.786 nγ = 1.815
2V:Measured: 30° to 60°, Calculated: 66°
Maximum Birefringence:δ = 0.040

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:relatively weak
Pleochroism:Visible
Comments:X = Pale flesh pink, yellow, blue-green
Y = Pale flesh pink, yellow, pale olive-green
Z = Carnelian red, reddish brown, olive-green

Chemical Properties of Beraunite

Formula:
Fe
2+
 
Fe
3+
5
[(OH)
 
5
|(PO
 
4
)
 
4
] · 4H
 
2
O
Essential elements:Fe, H, O, P
All elements listed in formula:Fe, H, O, P

Relationship of Beraunite to other Species

Common Associates:
WavelliteVivianiteTriphyliteStewartiteRockbridgeite
MitridatiteLimoniteLeucophosphiteLaueiteHureaulite
FrondeliteFerrostrunziteFerristrunziteDufréniteCacoxenite
Related Minerals - Nickel-Strunz Grouping):

- +
8.DC.05Nissonite
Cu
 
2
Mg
 
2
[OH|PO
 
4
]
 
2
 · 5H
 
2
O
8.DC.07Euchroite
Cu
 
2
[OH|AsO
 
4
] · 3H
 
2
O
8.DC.10Legrandite
Zn
 
2
[OH|AsO
 
4
] · H
 
2
O
8.DC.12Strashimirite
Cu
 
8
[OH|AsO
 
4
]
 
4
 · 5H
 
2
O
8.DC.15Arthurite
CuFe
3+
2
[(OH,O)|(AsO
 
4
,PO
 
4
,SO
 
4
)]
 
2
 · 4H
 
2
O
8.DC.15Earlshannonite
Mn
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
·4H
 
2
O
8.DC.15Ojuelaite
ZnFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.DC.15Whitmoreite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.DC.15Cobaltarthurite
(Co,Mg)Fe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.DC.15Bendadaite
Fe
2+
 
Fe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.DC.15IMA 2007-057
CuFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
·4H
 
2
O
8.DC.17Kleemanite
ZnAl
 
2
[OH|PO
 
4
]
 
2
 · 3H
 
2
O
8.DC.20Bermanite
Mn
2+
 
Mn
3+
2
[OH|PO
 
4
]
 
2
 · 4H
 
2
O
8.DC.22Kovdorskite
Mg
 
2
(PO
 
4
)(OH)·3H
 
2
O
8.DC.25Ferristrunzite
Fe
3+
3
[OH|PO
 
4
]
 
2
 · 5(H
 
2
O,OH)
8.DC.25Ferrostrunzite
Fe
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 6H
 
2
O
8.DC.25Metavauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.25Strunzite
Mn
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 6H
 
2
O
8.DC.30Gordonite
MgAl
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Laueite
Mn
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Mangangordonite
Mn
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Paravauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Pseudolaueite
Mn
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Sigloite
Fe
3+
 
Al
 
2
[(OH)
 
3
|(PO
 
4
)
 
2
] · 7H
 
2
O
8.DC.30Stewartite
Mn
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Ushkovite
MgFe
3+
2
[PO
 
4
]
 
2
(OH)
 
2
 · 8H
 
2
O
8.DC.30Ferrolaueite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
 · 8H
 
2
O
8.DC.30Kastningite
(Mn
2+
 
,Fe
2+
 
,Mg)Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Maghrebite
MgAl
 
2
[OH|AsO
 
4
]
 
2
 · 8H
 
2
O
8.DC.32Tinticite
Fe
3+
4
[OH|PO
 
4
]
 
3
 · 5H
 
2
O
8.DC.35Vauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 6H
 
2
O
8.DC.37Vantasselite
Al
 
4
[OH|PO
 
4
]
 
3
 · 9H
 
2
O
8.DC.40Cacoxenite
Fe
3+
24
Al[(OH)
 
12
|O
 
6
|(PO
 
4
)
 
17
] · 17H
 
2
O
8.DC.45Gormanite
(Fe
2+
 
,Mg)
 
3
(Al,Fe
3+
 
)
 
4
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
8.DC.45Souzalite
(Mg,Fe
2+
 
)
 
3
(Al,Fe
3+
 
)
 
4
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
8.DC.47Kingite
Al
 
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 9H
 
2
O
8.DC.50Wavellite
Al
 
3
[(OH,F)
 
3
|(PO
 
4
)
 
2
] · 5H
 
2
O
8.DC.50Allanpringite
Fe
3+
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 5H
 
2
O
8.DC.52Kribergite
Al
 
5
[(OH)
 
4
|SO
 
4
|(PO
 
4
)
 
3
] · 4H
 
2
O
8.DC.55Mapimite
Zn
 
2
Fe
3+
3
[(OH)
 
4
|(AsO
 
4
)
 
3
] · 10H
 
2
O
8.DC.57Ogdensburgite
Ca
 
2
Fe
3+
4
(Zn,Mn
2+
 
)[(OH)
 
3
|(AsO
 
4
)
 
2
]
 
2
 · 6H
 
2
O
8.DC.60Nevadaite
(Cu
2+
 
,Al,V
3+
 
)
 
6
Al
 
8
(PO
 
4
)
 
8
F
 
8
(OH)
 
2
(H
 
2
O)
 
22
8.DC.60Cloncurryite
(Cu,VO)Al
 
2
[(F,OH)|PO
 
4
]
 
2
 · 4.5-5H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
19.13.1Barbosalite
Fe
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
19.13.2Strengite
FePO
 
4
·2H
 
2
O
19.13.3Phosphosiderite
FePO
 
4
·2H
 
2
O
19.13.4Dufrénite
Ca
 
0.5
Fe
2+
 
Fe
3+
5
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
19.13.5Giniite
Fe
2+
 
Fe
3+
4
[(OH)
 
5
|(PO
 
4
)
 
3
] · 2H
 
2
O
19.13.6Whitmoreite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
19.13.7Tinticite
Fe
3+
4
[OH|PO
 
4
]
 
3
 · 5H
 
2
O
19.13.8Ferristrunzite
Fe
3+
3
[OH|PO
 
4
]
 
2
 · 5(H
 
2
O,OH)
19.13.9Ferrostrunzite
Fe
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 6H
 
2
O
19.13.11Vivianite
Fe
2+
3
(PO
 
4
)
 
2
·8H
 
2
O
19.13.12Metavivianite
Fe
2+
3-x
Fe
3+
x
(PO
 
4
)
 
2
(OH)x·(8-x)H
 
2
O

Other Names for Beraunite

Synonyms:
DufreniberauniteFerroberaunite
Other Languages:
German:Beraunit
Russian:Бераунит
Spanish:Beraunita

Other Information

Other Information:Readily soluble in HCl.

Alters to limonite and alters from Vivianite.
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 Beraunite

Reference List:Breithaupt, A. (1841) Vollständige Handbuch der Mineralogie. Vol. 2: 156.

Breithaupt, A. (1853) Berg.- und hüttenmännisches Zeitung, Freiberg, Leipzig (merged into Glückauf): 402.

Bořický (1867) Konigliche Akademie der Wissenschaften, Vienna, Sitzber.: 56.

Streng (1881) Jahrbuch Min.: I: 102.

Koenig (1890) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 17: 85.

Wherry (1914) Proceedings of the U.S. National Museum: 47: 509 (as Dufreniberaunite).

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 46.

Hintze, Carl (1931) Handbuch der Mineralogie. Berlin and Leipzig. 6 volumes: 1 [3B]: 898.

Le Mesurier (1943) Journal of the Royal Society of Western Australia: 27: 133.

Frondel, C. (1949) American Mineralogist: 34: 536.

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.: 959-961.

Fanfani, L. and P.F. Zanazzi (1967) The crystal structure of beraunite. Acta Cryst., 22, 173–181.

Moore, P.B. (1970) Crystal chemistry of the basic iron phosphates. American Mineralogist: 55: 135–169.

Moore, P.B. and A.R. Kampf (1992) Beraunite: refinement, comparative crystal chemistry, and selected bond valences. Zeits. Krist., 201, 263–281.

Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2000) Handbook of Mineralogy, Volume IV. Arsenates, Phosphates, Vanadates. Mineral Data Publishing, Tucson, AZ, 680pp.: 58.

Articles/Blogs about Beraunite

Internet Links for Beraunite

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    Localities for Beraunite

    Hide Locality List
    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.
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    (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.
    Australia
     
    • New South Wales
      • Yancowinna Co.
        • Broken Hill
    		Australian Min. 3:1 (1997)
    Australian Mineralogist (1997): 3: 1.
    [UKJMM 19:28]
    • South Australia
      • Flinders Ranges
        • South Flinders Ranges
          • Wilmington
    		No reference listed
      • Mt Lofty Ranges
        • South Mt Lofty Ranges
          • Barossa Valley
            • Angaston
    • Victoria
      • Gippsland
        • Hoddle Range
          • Fish Creek
    		No reference listed
    Austria
     
    • Styria
      • Eisenerz
    		Aufschluss 1972(SB), 15-20
      • Koralpe Mts
        • Modriach
          • Herzogberg Mt.
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Belgium
     
    • Hainaut (Henegouwen; Hennegau) Province
      • Mons
        • Blaton
    		No reference listed
    Brazil
     
    • Southeast Region
      • Minas Gerais
        • Doce valley
    		No reference listed
          • Divino das Laranjeiras
            • Linópolis
    		[MinRec 14:233]
    Cameroon
     
    • Adamaoua plateau
    		FRANSOLET, A.-M., OUSTRIERE, P., FONTAN, F. & PILLARD, F. (1984) La mantiennéite, une nouvelle espèce minérale du gisement de vivianite d'Anloua, Cameroun. Bulletin de Minéralogie 107, 737-744.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Beroun (Beraun)
          • Svatá Dobrotivá (St Benigna)
    		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: 960; Canadian Mineralogist (1989): 27: 441.
    Povondra, P., Pivec, E. (eds.) et al.: Přibyslavice peraluminuous granite. Acta universitatis carolinae, Geologica, 1987, no. 3, s . 183 – 283.
      • Karlovy Vary Region
    		No reference listed
          • Krásno
    		Petr Pauliš (2000): Nejzajímavější mineralogická naleziště Čech, Kuttna, Kutná Hora; 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.
      • Plzeň Region
        • Domažlice (Taus)
          • Otov
    		Čech F., Staněk J., Dávidová Š. (1981): Minerály pegmatitů. - in: Bernard J.H. [ed.]: Mineralogie Československa. Academia, Praha.
        • Rokycany (Rokitzan; Rokytzan)
    		Janouš, F.: Minerály z Kněží hory u Těškova (okres Rokycany), Minerál, 1995, roč. 3, č. 6, s. 367-369.
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Žďár nad Sázavou
    		Staněk, J.: Parageneze minerálů pegmatitových žil z Hatí u Dolních Borů na západní Moravě. Acta Mus. Moraviae, Sci. nat., vol. 76, pages 19-49.
    France
     
    • Auvergne
      • Allier
        • Ebreuil
          • Echassières
    		Pierre Le Roch & Jean-Marc Johannet collections
    Le Règne Minéral, (33), 5-25.
    • Brittany
      • Morbihan
        • Plumelin
    		Le Roc'h P., Bocianowski M. ((2001), La carrière de la Lande, Plumelin (Morbihan), Le Cahier des Micromonteurs, n°72, pp: 7-10
    • Midi-Pyrénées
      • Tarn
        • Castelnau-de-Brassac
    		PIERROT R., PICOT P., FORTUNE J.-P. & TOLLON F. (1976) Inventaire Minéralogique de la France N° 6 : Tarn, BRGM ed., 27. (in french)
    Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, p. 521.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
    • Bavaria
      • Lower Bavaria
        • Bavarian Forest
          • Zwiesel
            • Rabenstein
    		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: 960; Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Upper Palatinate
        • Auerbach
    		Stanjek, H. (1983): Auerbach/Oberpfalz. Phosphatmineralien aus der Grube Leonie. Lapis 8 (3), 9-18; 42. (in German)
          • Nitzlbuch (Nitzelbuch)
    		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: 772, 803, 960.
        • Oberpfälzer Wald
          • Plößberg
          • Vohenstrauß
            • Pleystein
    		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: 960.
            • Waidhaus
              • Hagendorf
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    http://www.berthold-weber.de/h_miner.htm
    Wittern: "Mineralfundorte in Deutschland", 2001
    • Hesse
      • Wetzlar
        • Rodheim-Bieber
    		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: 960.
        • Waldgirmes
    		Dana 6: 797, 823; Dana 7:II:874, 960.
        • Weilburg
          • Essershausen
    		Blaß, G. (2002): Eine neue Phosphatmineralien-Paragenese von der Grube Mark bei Essershausen, mittleres Lahngebiet, Taunus. Mineralien-Welt, 13 (6), 18-43. (in German)
    • North Rhine-Westphalia
      • Sauerland
        • Arnsberg
          • Uentrop
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Wuppertal
        • Aprath castle
    		Emser Hefte 1988(4), 35-40
    • Rhineland-Palatinate
      • Lahn valley
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Saxony
      • Erzgebirge
        • Annaberg-Buchholz
    		Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 960.
      • Oberlausitz
        • Görlitz
          • Rengersdorf
    		T. Witzke & T. Giesler (1997): Neufunde aus Sachsen (VI): Churchit-(Y), Cyrilovit, Faustit, Kidwellit, Meurigit und Nickelhexahydrit aus der Lausitz.- Lapis 22, 9, 36-38
      • Vogtland
        • Auerbach
          • Wildenau
    		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: 960.
    • Schleswig-Holstein
      • Bredstedt
        • Joldelund
    		A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
    • Thuringia
      • Vogtland
        • Hirschberg
          • Ullersreuth
    		T. Witzke et al.: Lapis 2001(12), 13-27
    Lapis, 26 (12), page 13-27
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Upponyi Mts.
        • Dédestapolcsány
    		Koch: Minerals of Hungary, 1985
        • Nekézseny
    		Szakáll & Jánosi: Minerals of Hungary, 1995
    Ireland
     
    • Co. Cork
      • Cork
    		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: 960.
    Italy
     
    • Tuscany
      • Livorno Province
        • Elba Island
    		De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol
            • Rio Mine (Rio Marina Mine)
    		C. Garavelli, F. Quagliarella, 1967 - Beraunite di Rio Marina (Isola d'Elba). - Per. Miner., 36: 1041-1053.
    Japan
     
    • Honshu Island
      • Kanto Region
        • Ibaraki Prefecture
          • Chiyoda-machi
    		The Mineral Species of Japan (5th ed) Matsubara
      • Kinki region
        • Hyogo Prefecture
          • Kobe city
    		S. Matsubara (2000) Vivianite nodules and secondary phosphates in Pliocene-Pleistocene clay deposits from Hime-shima, Oita Prefecture and Kobe, Hyogo Prefecture, Western Japan. Memoirs of the National Science Museum (Tokyo), 33.
    S. Matsubara (2000) Vivianite nodules and secondary phosphates in Pliocene-Pleistocene clay deposits from Hime-shima, Oita Prefecture and Kobe, Hyogo Prefecture, Western Japan. Memoirs of the National Science Museum (Tokyo), 33.
    Portugal
     
    • Guarda District
      • Gouveia
        • Folgosinho
      • Sabugal
    		Schnorrer-Köhler (1991), Mineral Occurrences.
    • Viana do Castelo District
      • Caminha
        • Arga de Baixo/Arga de Cima
      • Ponte da Barca
    		Self-find by Nuno Afonso; optical and XRD analysed
      • Ponte de Lima
    • Viseu District
      • Mangualde
    		Marzoni Fecia di Cossato Y., Orlandi P., Pasero M.(1989): Manganese-bearing beraunite from Mangualde, Portugal: mineral data and structure refinement. Can. Mineral., 27, 441-446.
      • Vila Nova de Paiva
        • Queiriga
    		Nuno Afonso collection
    Spain
     
    • Castile-La Mancha
      • Ciudad Real
    		Sáinz de Baranda, B., Palero, F.J., García, G. (2004): El Horcajo, las piromorfitas más famosas del mundo. Bocamina, 13, 32-68.
    • Castile and Leon
      • Zamora
    • Catalonia
      • Barcelona
        • Baix Llobregat
          • Gavà
            • Bruguers
    		Bareche, E (2005) "Els minerals de Catalunya. Segle XX" Ed. Grup Mineralògic Català, Barcelona, 269 p.
        • Vallès Oriental
          • Montcada i Reixac
    		Rosell, J. & Garrido, J.L. (2006) The minerals of Montcada Hill Quarry. Mineral Up, 2006/2, 16-20.
    Sweden
     
    • Lappland
      • Kiruna
    		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: 960.
        • Svappavaara
    		No reference listed
    Switzerland
     
    • Ticino (Tessin)
      • Lago Maggiore
        • Brissago
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 71
    UK
     
    • England
      • Cornwall
        • Camborne - Redruth - St Day District
          • Baldhu
            • Falmouth Consolidated
    		Lapis 11(2), 34-38 (1986)
        • Liskeard District
          • Caradon & Phoenix Area (South-Eastern Bodmin Moor)
            • Linkinhorne
    		No reference listed
        • St Agnes District
          • Perranzabuloe
    		No reference listed
        • St Austell District
          • Luxulyan Area (Luxulian Area)
            • Hensbarrow Downs
              • Stenalees
    		M Kampf collection
      • Cumbria
        • North and Western Region (Cumberland)
          • Caldbeck Fells
            • Coombe Height
    		No reference listed
    USA
     
    • Alabama
      • Calhoun Co.
    		Rocks & Min 70:5 pp 320-333
    Rocks & Min.: 58:57-62.
      • Cherokee Co.
    		Min.Rec.:20(5):361; Rocks & Min.: 64:203.
    Mineralogy of Alabama Geol Surv Ala. Bull 120
    Rocks & Min 70:5 pp 320-333
    Rocks & Min 70:5 pp 320-333
      • Coosa Co.
        • Rockford District
          • Two Bit pegmatite
    		Rocks & Min 70:5 pp 320-333
      • Tuscaloosa Co.
        • Woodstock
    		Rocks & Min 70:5 pp 320-333
    • Arizona
      • Cochise Co.
        • Mule Mts
    		Galbraith, F.W. & Brennan (1959), Minerals of AZ: 30.
    • Arkansas
      • Garland Co.
        • Wilson Springs (Potash Sulfur Springs)
          • Union Carbide Mine
    		R&M 70:3 pp 154-170
      • Montgomery Co.
        • North Mountain
    		Rocks & Min.: 63:113; 64:294; Sick (1984).
      • Polk Co.
        • Shady
    		Rocks & Min.:63:118.
    Am Min 51:1811-1814
        • Three Oaks Gap
    		Rocks & Minerals: 63: 120.
    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: 960.
    • Connecticut
      • Middlesex Co.
    		Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p.234
    AmMin 53:2096
      • Polk Co.
        • Central Florida Phosphate District
    		Am Min 53:2096-2101
        • Homeland
    		Denicourt, R., Micromounters of New England program, NE meeting program, May 1984
    • Georgia
      • Polk Co.
    		Rocks & Minerals 54:4 pp161-165
    • Maine
      • Cumberland Co.
        • Baldwin
    		No reference listed
      • Oxford Co.
        • Greenwood
    		"Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al. 1998
        • Newry
    		"Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al., 1998
    "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
        • Paris
    		"Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al. , 1998
        • Rumford
    		King & Foord, 1994. Mineralogy of Maine, Vol.1, p.264.
        • Stoneham
    		No reference listed
    "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
    • Montana
      • Silver Bow Co.
        • Butte District
          • Butte
    		The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964
    • Nevada
      • Humboldt Co.
        • Iron Point District
          • Valmy
    		Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada
    • New Hampshire
      • Grafton Co.
        • Groton
    		Wilken, B. in Crystals and Cabs Vol. 7 , No. 3.
    Rocks & Minerals: 80: 252.
    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: 960.
    Rocks & Min., May 1999.
    • New Jersey
      • Gloucester Co.
    		[MinRec 11:309]
      • Monmouth Co.
        • Plumsted Township
          • New Egypt
    		C.G.Segeler (personal communication)
      • Morris Co.
    		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: 960.
    • New Mexico
      • Grant Co.
    		Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996, p.141
    • North Carolina
      • Cleveland Co.
        • Kings Mountain District
      • Gaston Co.
        • Bessemer City
    		Rocks & Min.: 60:89.
    • Pennsylvania
      • Cumberland Co.
        • Mount Holly Springs
    		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: 960; Mineralogical Record: 11: 311.
      • Northampton Co.
        • Hellertown
    		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: 960; Mineralogical Record (1980): 11(Sep-Oct): 311.
      • Snyder Co.
    		Min. Col. PA; Geyer, Smith & Barnes; Pgs. 201-202
    • South Carolina
      • Cherokee Co.
        • Kings Creek District
          • Kings Creek Mine
    		Rocks & Minerals 54:4 pp173-175
    • South Dakota
      • Custer Co.
        • Custer District
          • Fourmile
    		Mineralogical Record: 17: 237-254; Rocks & Minerals: 60: 117.
          • Pringle
            • Cicero Peak
    		Rocks & Minerals: 75(3): 156-169.
      • Pennington Co.
        • Keystone District
          • Glendale
    		Rocks & Minerals: 60: 116.
    R&M 75:3 pp 156-169
          • Keystone
    		R&M 75:3 pp 156-169
    R&M 75:3 pp 156-169
    Mineral and/or Locality
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