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Szomolnokite

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Formula:
FeSO
 
4
· H
 
2
O
System:MonoclinicColour:Pale yellow or ...
Hardness:
Member of:Kieserite Group
Name:Named by Joseph Krenner in 1877 for the type locality, at Szomolnok, Slovakia (formerly Hungary).


A common alteration product of iron sulphides (pyrite, marcasite, pyrrhotite).

Classification of Szomolnokite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/C.01-20
Nickel-Strunz 10th (pending) edition ID:7.CB.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
Dana 7th edition ID:29.6.2.2
Dana 8th edition ID:29.6.2.2

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
Hey's CIM Ref.:25.10.1

25 : Sulphates
10 : Sulphates of Fe alone
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Type Occurrence of Szomolnokite

Type Locality:Smolník (Schmöllnitz; Szomolnok), Gelnica Co., Košice Region, Slovakia
Year of Discovery:1877
Geological Setting of type material:Oxidized iron-bearing ores, sometimes post-mine.
Associated Minerals at type locality:
Rhomboclase

Occurrences of Szomolnokite

Geological Setting:A secondary mineral found in the oxidation zones of sulfide mineral deposits, particularly noted as forming from the oxidation of pyrite.

Physical Properties of Szomolnokite

Lustre:Resinous, Greasy, Dull
Diaphaneity (Transparency):Translucent
Colour:Pale yellow or reddish-brown, may also be light blue, very pale greenish white to white, rarely pink due to cobalt
Streak:Not reported.
Hardness (Mohs):
Hardness Data:Measured
Tenacity:Brittle
Cleavage:None Observed
Fracture:Irregular/Uneven, Sub-Conchoidal
Density (measured):3.03 - 3.07 g/cm3
Density (calculated):3.10 g/cm3

Crystallography of Szomolnokite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/b
Space Group Setting:C2/c
Cell Parameters:a = 7.62Å, b = 7.47Å, c = 7.12Å
β = 115.85°
Ratio:a:b:c = 1.02 : 1 : 0.953
Unit Cell Volume:V 364.73 ų (Calculated from Unit Cell)
Z:4
Morphology:Usually in fine-grained crusts, may be globular to stalactitic; rarely in bipyramidal tiny crystals, {-111} and {110}, also tabular parallel to {-111}.
Twinning:Reported as common, but no forms given.
Comment:ICDD 45-1365
X-Ray Powder Diffraction:
d-spacingIntensity
4.86(20)
3.45(100)
3.30(30)
3.11(50)
2.53(40)
1.998(30)
1.622(30)
1.600(40)
Comments:ICDD 45-1365

Optical Data of Szomolnokite

Type:Biaxial (+)
RI values: nα = 1.591 nβ = 1.623 nγ = 1.663
2V:Measured: 80° , Calculated: 86°
Birefringence:0.072
Maximum Birefringence:δ = 0.072

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v strong
Optical Extinction:X ^ c = -26°, Y = b.

Chemical Properties of Szomolnokite

Formula:
FeSO
 
4
· H
 
2
O
Simplified for copy/paste:FeSO4·H2O
Essential elements:Fe, H, O, S
All elements listed in formula:Fe, H, O, S
Analytical Data:Very slowly dissolves in water

Relationship of Szomolnokite to other Species

Member of:Kieserite Group
Other Members of Group:

- +
Cobaltkieserite
CoSO
 
4
· H
 
2
O
Dwornikite
(Ni,Fe)SO
 
4
· H
 
2
O
Gunningite
ZnSO
 
4
· H
 
2
O
Kieserite
MgSO
 
4
· H
 
2
O
Szmikite
MnSO
 
4
· H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
7.CB.05Dwornikite
(Ni,Fe)SO
 
4
· H
 
2
O
7.CB.05Gunningite
ZnSO
 
4
· H
 
2
O
7.CB.05Kieserite
MgSO
 
4
· H
 
2
O
7.CB.05Poitevinite
(Cu,Fe,Zn)SO
 
4
· H
 
2
O
7.CB.05Szmikite
MnSO
 
4
· H
 
2
O
7.CB.05Cobaltkieserite
CoSO
 
4
· H
 
2
O
7.CB.07Sanderite
MgSO
 
4
· 2H
 
2
O
7.CB.10Bonattite
CuSO
 
4
· 3H
 
2
O
7.CB.15Aplowite
(Co,Mn,Ni)SO
 
4
· 4H
 
2
O
7.CB.15Boyleite
(Zn,Mg)SO
 
4
· 4H
 
2
O
7.CB.15Ilesite
(Mn,Zn,Fe)SO
 
4
· 4H
 
2
O
7.CB.15Rozenite
FeSO
 
4
· 4H
 
2
O
7.CB.15Starkeyite
MgSO
 
4
· 4H
 
2
O
7.CB.15Drobecite
CdSO
 
4
· 4H
 
2
O
7.CB.15Cranswickite
MgSO
 
4
· 4H
 
2
O
7.CB.20Chalcanthite
CuSO
 
4
· 5H
 
2
O
7.CB.20Jôkokuite
MnSO
 
4
· 5H
 
2
O
7.CB.20Pentahydrite
MgSO
 
4
· 5H
 
2
O
7.CB.20Siderotil
FeSO
 
4
· 5H
 
2
O
7.CB.25Bianchite
(Zn,Fe)SO
 
4
· 6H
 
2
O
7.CB.25Chvaleticeite
(Mn,Mg)SO
 
4
· 6H
 
2
O
7.CB.25Ferrohexahydrite
FeSO
 
4
· 6H
 
2
O
7.CB.25Hexahydrite
MgSO
 
4
· 6H
 
2
O
7.CB.25Moorhouseite
(Co,Ni,Mn)SO
 
4
· 6H
 
2
O
7.CB.25Nickelhexahydrite
(Ni,Mg,Fe)SO
 
4
· 6H
 
2
O
7.CB.30Retgersite
NiSO
 
4
· 6H
 
2
O
7.CB.35Bieberite
CoSO
 
4
· 7H
 
2
O
7.CB.35Boothite
CuSO
 
4
· 7H
 
2
O
7.CB.35Mallardite
MnSO
 
4
· 7H
 
2
O
7.CB.35Melanterite
FeSO
 
4
· 7H
 
2
O
7.CB.35Zincmelanterite
(Zn,Cu,Fe)SO
 
4
· 7H
 
2
O
7.CB.35Alpersite
(Mg,Cu)[SO
 
4
] · 7H
 
2
O
7.CB.40Epsomite
MgSO
 
4
· 7H
 
2
O
7.CB.40Goslarite
ZnSO
 
4
· 7H
 
2
O
7.CB.40Morenosite
NiSO
 
4
· 7H
 
2
O
7.CB.45Alunogen
Al
 
2
(SO
 
4
)
 
3
· 17H
 
2
O
7.CB.45Meta-alunogen
Al
 
2
(SO
 
4
)
 
3
· 12H
 
2
O
7.CB.50Aluminocoquimbite
FeAl(SO
 
4
)
 
3
· 9H
 
2
O
7.CB.55Coquimbite
Fe
 
2-x
Al
 
x
(SO
 
4
)
 
3
· 9H
 
2
O, x ~0.5
7.CB.55Paracoquimbite
Fe
 
2
(SO
 
4
)
 
3
· 9H
 
2
O
7.CB.55Rhomboclase
(H
 
5
O
 
2
)Fe
3+
 
(SO
 
4
)
 
2
· 2H
 
2
O
7.CB.60Kornelite
Fe
 
2
(SO
 
4
)
 
3
· 7H
 
2
O
7.CB.65Quenstedtite
Fe
 
2
(SO
 
4
)
 
3
· 10H
 
2
O
7.CB.70Lausenite
Fe
 
2
(SO
 
4
)
 
3
·6H
 
2
O
7.CB.75Lishizhenite
ZnFe
 
2
(SO
 
4
)
 
4
· 14H
 
2
O
7.CB.75Römerite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
· 14H
 
2
O
7.CB.80Ransomite
CuFe
 
2
(SO
 
4
)
 
4
· 6H
 
2
O
7.CB.85Apjohnite
Mn
2+
 
Al
 
2
(SO
 
4
)
 
4
· 22H
 
2
O
7.CB.85Bílinite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
· 22H
 
2
O
7.CB.85Dietrichite
(Zn,Fe
2+
 
,Mn
2+
 
)Al
 
2
(SO
 
4
)
 
4
· 22H
 
2
O
7.CB.85Halotrichite
FeAl
 
2
(SO
 
4
)
 
4
· 22H
 
2
O
7.CB.85Pickeringite
MgAl
 
2
(SO
 
4
)
 
4
· 22H
 
2
O
7.CB.85Redingtonite
(Fe
2+
 
,Mg,Ni)(Cr,Al)
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Wupatkiite
(Co,Mg,Ni)Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.90Meridianiite
MgSO
 
4
· 11H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
25.10.2Rozenite
FeSO
 
4
· 4H
 
2
O
25.10.3Siderotil
FeSO
 
4
· 5H
 
2
O
25.10.4Ferrohexahydrite
FeSO
 
4
· 6H
 
2
O
25.10.5Melanterite
FeSO
 
4
· 7H
 
2
O
25.10.6Rhomboclase
(H
 
5
O
 
2
)Fe
3+
 
(SO
 
4
)
 
2
· 2H
 
2
O
25.10.7Lausenite
Fe
 
2
(SO
 
4
)
 
3
·6H
 
2
O
25.10.8Kornelite
Fe
 
2
(SO
 
4
)
 
3
· 7H
 
2
O
25.10.9Coquimbite
Fe
 
2-x
Al
 
x
(SO
 
4
)
 
3
· 9H
 
2
O, x ~0.5
25.10.10Paracoquimbite
Fe
 
2
(SO
 
4
)
 
3
· 9H
 
2
O
25.10.11Quenstedtite
Fe
 
2
(SO
 
4
)
 
3
· 10H
 
2
O
25.10.12Ferricopiapite
Fe
 
5
(SO
 
4
)
 
6
O(OH) · 20H
 
2
O
25.10.13Metahohmannite
Fe
3+
2
(SO
 
4
)
 
2
O · 4H
 
2
O
25.10.14Hohmannite
Fe
3+
2
(SO
 
4
)
 
2
O · 8H
 
2
O
25.10.15Butlerite
Fe
3+
 
(SO
 
4
)(OH) · 2H
 
2
O
25.10.16Parabutlerite
Fe
3+
 
(SO
 
4
)(OH) · 2H
 
2
O
25.10.17Amarantite
Fe
3+
2
(SO
 
4
)
 
2
O · 7H
 
2
O
25.10.18Fibroferrite
Fe
3+
 
(SO
 
4
)(OH) · 5H
 
2
O
25.10.19Hydroniumjarosite
(H
 
3
O)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
25.10.20Römerite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
· 14H
 
2
O
25.10.21Bílinite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
· 22H
 
2
O
25.10.22Copiapite
Fe
2+
 
Fe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
· 20H
 
2
O

Other Names for Szomolnokite

Synonyms:
Ferropallidite
Other Languages:
German:Szomolnokit
Russian:Ссомольнокит
Simplified Chinese:水铁矾
Spanish:Szomolnokita
Traditional Chinese:水鐵礬

Other Information

Fluorescence in UV light:Not fluorescent.
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 Szomolnokite

Reference List:

- +
Krenner (1891) Magyar Tudományos Akadémia, Budapest: 2: 96.

Scharizer (1903) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 37: 547 (as Ferropallidite).

Krenner (1928) Centralblatt für Mineralogie, Geologie und Paleontologie, Stuttgart: 268.

Schaller (1937) USGS Bull. 878: 125.

Bandy (1938) American Mineralogist: 23: 669.

Hammel (1939) Annales de chimie, Paris: 11: 247.

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.: 479 - 480.

Pistorius, C. W. F. T., 1960, Lattice constants of FeSO4.H20 (artificial szomolnokite) and NiSiO4.H2O, Bull. Soc. Chim. Belge., v. 69, p. 570-574.

Mineralogical Magazine (1982): 46: 352.

Periodico di Mineralogia (1985): 54: 32.

Gaines, Richard V., H. Catherine, W. Skinner, Eugene E. Foord, Brian Mason, Abraham Rosenzweig, and Vandall T. King (1997), Dana's New Mineralogy : The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana: 596.

Wildner, M. and Giester, G. (1991): The Crystal Structure of Kieserite-type Compounds, Neues Jahrbuch für Mineralogie, Monatshefte, 296-306.

Internet Links for Szomolnokite

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  • Raman and XRD data at RRUFF project
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  • Localities for Szomolnokite

    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.
    (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.
    Argentina
     
    • San Juan
      • Calingasta Department
        • Calingasta
          • Quebrada Alcaparrosa
    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: 480, 609, 1014.
    Austria
     
    • Carinthia
      • Hohe Tauern
        • Malta valley
          • Gößbach valley
    G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
      • Packalpe
        • Bad St Leonhard
    • Lower Austria
      • Industrieviertel
        • Hennersdorf
    Matrixx 2, p.52-56
      • Waldviertel
        • Drosendorf-Zissersdorf
          • Wollmersdorf (Zettlitz-Wollmersdorf)
    Götzinger, M. A., Beran, A. & Libowitzky, E. (1994): Exkursion A: Mineralvorkommen und Lagerstätten im östlichen Waldviertel. Mitt. Österr. Mineral. Ges. 139, 389-405.
        • Maissau
          • Limberg
            • Gänsgraben
    GÖTZINGER, Michael A. (2008): Mineralogie und Mineralvorkommen des Waldviertels.- In: STEININGER, Fritz F. (Hrsg.): Waldviertel - Kristallviertel. Die steinerne Schatzkammer Österreichs - Gesteine und Mineralien des Waldviertels, Schriftenr. Waldv. Heimatb., 49, 77-99, Horn.
        • Mühldorf
          • Amstall
    Kolitsch, U. (2008): 1548: Metavoltin und Szomolnokit vom ehemaligen Graphitbergbau Amstall, Waldviertel, Niederösterreich. In: Niedermayr, G. et al. (2008): Neue Mineralfunde aus Österreich LVII. Carinthia II, 198./118., 258.
    • Styria
      • Leoben
        • Galgenberg
    Annalen 1999, p.11-22
      • Leutschach
    R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    • New Brunswick
      • Gloucester Co.
        • Bathurst Parish
          • Bathurst Mining Camp
    Sabina (1966) GSC Paper 66-51, 46-47
    • Nova Scotia
      • Hants Co.
        • Walton
    Can. Min. 9, 718; Transactions of the Canadian Institute of Mining and Metallurgy and the Mining Society of Nova Scotia , Volume 69 p398
    • Québec
      • Abitibi-Témiscamingue
        • La Vallée-de-l'Or RCM
          • Val d'Or
    SABINA, A.P. (2003): Rocks & Minerals for the collector; Kirkland Lake - Rouyn-Noranda - Val d'Or, Ontario & Quebec. GSC Misc. Report 77, 179.
      • Laurentides
        • Les Laurentides RCM
    - Sabina, A.P. (1986) Rocks & Minerals for the collector; Buckingham - Mont-Laurier - Grenville, Quebec Hawkesbury - Ottawa, Ontario. GSC Misc. Report 33
    Sabina, A.P. (1986) Rocks & Minerals for the collector; Buckingham - Mont-Laurier - Grenville, Quebec Hawkesbury - Ottawa, Ontario. Geological Survey of Canada, Miscellaneous Report 33, 52-53.
      • Montérégie
        • La Vallée-du-Richelieu RCM
          • Mont Saint-Hilaire
    Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    • Yukon Territory
      • Mayo Mining District
    Sabina (1992) gsc mr 50, 80-84
          • Calumet
    Jambor J L, Boyle R W (1962) Gunningite, a new zinc sulphate from the Keno Hill – Galena Hill area, Yukon, The Canadian Mineralogist 7, 209-218
    Sabina (1992) GSC MP 50, 80-84
    Chile
     
    • Antofagasta Region
      • Antofagasta Province
        • Mejillones
          • Mejillones peninsula
    M.Dini & A.Molina collection
      • El Loa Province
        • Calama
          • Cerritos Bayos
    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: 480.; Kampf, A.R.; Mills, S.J.; Housley, R.M.; Williams, P.A.; Dini, M. (2012): Alcaparrosaite, K3Ti4+Fe3+(SO4)4O(H2O)2, a new hydrophobic Ti4+ sulfate from Alcaparrosa, Chile. Mineralogical Magazine 76, 851-861.
          • Chuquicamata District
            • Toki Cu deposit (Toki Cluster)
    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: 480.
    • Arica and Parinacota Region
      • Arica Province
        • Los Camarones
    Kampf, A. R., Mills, S. J., Nash, B. P., Housley, R. M., Rossman, G. R., Dini, M. and Gatta G.D. (2013): Camaronesite, [Fe3+(H2O)2(PO3OH)]2(SO4)•1–2H2O, a new phosphate-sulfate from the Camarones Valley, Chile, structurally related to taranakite. Mineral. Mag. 77, 453-465.
    • Atacama Region
    Economic Geology; January 2005; v. 100; no. 1; p. 131-148
    China
     
    • Xinjiang Autonomous Region
      • Tulufan Prefecture (Turfan Prefecture; Turpan Prefecture)
        • Shanshan Co. (Piqan Co.; Pichan Co.)
    Chunqi Wen, Xinhuang Xu, and Yanshi Mao (2002): Journal of Mineralogy and Petrology 32(9), 29-32; Jingwen Mao, Goldfarb, R.J., Yitian Wang, Hart, C.J., Zhiliang Wang, and Jianmin Yang (2005): Episodes 28(1), 23-36
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
    Zacek, V., Oplustil, S., Mayova, A. & Meyer, F. R. (1995): Die Mineralien von Kladno in Mittelböhmen, Tschechische Republik. Mineralien-Welt 6 (1), 13-30 (in German).
        • Skřivaň
    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: 480.
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov District (St Joachimsthal)
    Lapis 2002(7/8), 63-65
      • Liberec Region
    Scharm, B.: Přehled minerálů nalezených v oblasti uranových koncentrací v severočeské křídě. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, s. 169-172.
    Finland
     
    • Western and Inner Finland Region
      • Valkeakoski
    Ilkka Mikkola collection
    France
     
    • Auvergne
      • Allier
        • Vichy
          • Cusset
            • Le Vernet
      • Cantal
        • Mauriac
        • Riom-ès-Montagnes
          • Collandres
    R. Pierrot, P. Picot, J.J. Périchaud : "Inventaire Minéralogique du Cantal", BRGM and Editions G. de Bussac, 1971
      • Haute-Loire
        • Paulhaguet
          • Jax
            • La Ribeyrette & La Fauvette valleys (La Fioure; La Fiouve)
    P.G. Pélisson : "Etude Minéralogique et Métallogénique du District Filonien Polytype de Paulhaguet (Haute-Loire, Massif Central Français)", Doctorate Thesis, Orléans, France, 1989
      • Puy-de-Dôme
        • Menat
    • Brittany
      • Morbihan
        • Pontivy
          • Guern
    • Provence-Alpes-Côte d'Azur
      • Hautes-Alpes
        • La Chapelle-en-Valgaudemar (La Chapelle-en-Valgaudémar)
    Bourgoin, V., Favreau, G., Boulliard, J.-C. (2011): Jas Roux: un gisement exceptionnel à minéraux de thallium. Le Cahier des Micromonteurs, 3-2011, 2-91.
    • Rhône-Alpes
      • Rhône
        • Beaujeu
          • Claveisolles
    G. Demarcq, 1973, "Guides Géologiques Régionaux : Lyonnais, Vallée du Rhöne" , Masson.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Lahr
          • Reichenbach
            • Weiler
    Wittern: "Mineralfundorte in Deutschland", 2001
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Wolfach
          • Oberwolfach
            • Rankach valley
    Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
    • Brandenburg
      • Bad Freienwalde
    Andreas Gerstenberg collection
    • Hesse
      • Richelsdorf District
        • Süss
          • Richelsdorf Smelter
    S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
    • Lower Saxony
      • Harz
        • Goslar
          • Rammelsberg
    No reference listed
    • North Rhine-Westphalia
      • Niederberg area
        • Wülfrath
          • Rohdenhaus
    Lapis 1988(1), 16-35
      • Ruhr Coal Mining area
        • Herne
    Weiss: "Mineralfundstellen, Deutschland West", 1990
    • Rhineland-Palatinate
      • Eifel
        • Daun
          • Üdersdorf
    Hentschel, G., Neufunde von Üdersdorf, Lapis, Weise Verlag, München, 09/1993
        • Laach lake volcanic complex
          • Kruft
    Hentschel, G., Die Minerale in Auswürflingen des Laacher -See –Vulkans, Der Aufschluss, SB 33, 65-105, 1990
          • Mendig
            • Niedermendig
    Hentschel, G., Die Minerale in Auswürflingen des Laacher -See –Vulkans, Der Aufschluss, SB 33, 65-105, 1990
    Hentschel, G., Die Minerale in Auswürflingen des Laacher -See –Vulkans, Der Aufschluss, SB 33, 65-105, 1990
              • Wingertsberg
    Hentschel, G., Die Minerale in Auswürflingen des Laacher -See –Vulkans, Der Aufschluss, SB 33, 65-105, 1990
    • Thuringia
      • Gera
        • Ronneburg U deposit
    T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    Hungary
     
    • Baranya Co.
      • Mecsek Mts
    ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
        • Pécs
    Szakáll & Jánosi: Minerals of Hungary, 1995
    • Borsod-Abaúj-Zemplén Co.
      • Rudabányai Mts
        • Rudabánya
    Szakáll: Minerals of Rudabánya, 2001; Sánoor Szakáll, Mária Foldvári, Gábor Papp, Péter Kovács-pálffy, Árpád Kovács (1997) Secondary Sulphate Minerals From Hungary. Acta Mineralogica-petrographica, Szeged, Xxxviii, Supplementum, 7-63.
    Sánoor Szakáll, Mária Foldvári, Gábor Papp, Péter Kovács-pálffy, Árpád Kovács (1997) Secondary Sulphate Minerals From Hungary. Acta Mineralogica-petrographica, Szeged, Xxxviii, Supplementum, 7-63.
      • Zemplén Mts (Tokaj Mts)
        • Rátka
    ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
    • Fejér Co.
      • Vértes Mts
    ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
    Szakáll & Jánosi: Minerals of Hungary
    • Heves Co.
      • Mátra Mts
        • Gyöngyösoroszi
    Szakáll-Gatter-Szendrei:Mineral Species of Hungary,2005
        • Kisnána
    Szakáll, S., Földessy, J., Less, G., Fűköh, Dávid, A., Németh, N., Hadobás, S. & Piros, O. (2010): Mineralizations in Mesozoic-Tertiary volcanic and sedimentary units of NE Hungary (with a tour in the Baradla Cave, Aggtelek). Acta Mineralogica-Petrographica Field Guide Series 14, 1-32.; Sánoor Szakáll, Mária Foldvári, Gábor Papp, Péter Kovács-pálffy, Árpád Kovács (1997) Secondary Sulphate Minerals From Hungary. Acta Mineralogica-petrographica, Szeged, Xxxviii, Supplementum, 7-63.
        • Parádsasvár (Üveghuta)
    Szakáll - Gatter: Minerals of Hungary
        • Recsk
    ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997; Sánoor Szakáll, Mária Foldvári, Gábor Papp, Péter Kovács-pálffy, Árpád Kovács (1997) Secondary Sulphate Minerals From Hungary. Acta Mineralogica-petrographica, Szeged, Xxxviii, Supplementum, 7-63.
    • Pest Co.
      • Börzsöny Mts
        • Nagybörzsöny (Deutsch Pilsen; Deutschpilsen)
    Szakáll & Jánosi: Minerals of Hungary, 1995; Sánoor Szakáll, Mária Foldvári, Gábor Papp, Péter Kovács-pálffy, Árpád Kovács (1997) Secondary Sulphate Minerals From Hungary. Acta Mineralogica-petrographica, Szeged, Xxxviii, Supplementum, 7-63.
    Sánoor Szakáll, Mária Foldvári, Gábor Papp, Péter Kovács-pálffy, Árpád Kovács (1997) Secondary Sulphate Minerals From Hungary. Acta Mineralogica-petrographica, Szeged, Xxxviii, Supplementum, 7-63.
    • Veszprém Co.
      • Bakony Mts
        • Nyirád
    ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
    ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
    Iran
     
    • Yazd Province
      • Saghand (Sagand; Saqand)
    Bariand, P., Cesbron, F. & Berthelon, J. P. (1977): Iron sulfates of Saghand near Yazd (Iran). Memoire Hors-Série de la Société Géologique de France 8, 77-85.
    Italy
     
    • Emilia-Romagna
      • Parma Province
        • Berceto
          • Corchia mine
    Adorni F., Guelfi F. (1997) - La miniera di Fe e Cu di Corchia, Berceto, Appennino Parmense. - Riv. Min. It. N 3, 217-250.
    Japan
     
    • Hokkaido
      • Oshima peninsula
        • Hiyama Subprefecture
          • Kaminokuni
    Matsubara, S. and Miyawaki, R. (2006) Catalogue of Japanese Minerals, p 123. (Tokai University Press)
    Mars
     
    • Valles Marineris
    Bishop, J. L., et al. (2009), Mineralogy of Juventae Chasma: Sulfates in the light-toned mounds, mafic minerals in the bedrock, and hydrated silica and hydroxylated ferric sulfate on the plateau, J. Geophys. Res., 114, E00D09, doi:10.1029/2009JE003352, [printed 115(E2), 2010].
    Norway
     
    • Akershus
      • Eidsvoll (Eidsvold)
    Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 108
    Romania
     
    • Harghita Co.
    Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
    • Suceava Co.
      • Suceava district
        • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
    http://minerals-of-the-carpathians.eu
    Russia
     
    • Urals Region
      • Southern Urals
        • Orenburgskaya Oblast'
          • Mednogorsk District
            • Sakmara Zone
    Zanin, Y.N., Pisareva, G.M., Zamirailova, A.G., and Eder, V.G. (2009): Lithology and Mineral Resources 44(3), 267-269
    Zanin, Y.N., Pisareva, G.M., Zamirailova, A.G., and Eder, V.G. (2009): Lithology and Mineral Resources 44(3), 267-269
    Slovakia
     
    • Banská Bystrica Region
      • Banská Štiavnica Co.
    • Košice Region
      • Gelnica 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: 480; Periodico di Mineralogia 54 (1985), 32
      • Rožňava Co.
    Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    South Africa
     
    • KwaZulu-Natal Province
      • eThekwini District
        • Westville
    Minerals of South Africa
    • Limpopo Province
      • Bushveld Complex
        • Waterberg District
          • Rooiberg tin field
    Minerals of South Africa
    Spain
     
    • Andalusia
      • Huelva
        • Minas de Riotinto
    Bocamina, (4), (1999) 50-86.
    Switzerland
     
    • Ticino (Tessin)
      • Lago Maggiore
        • Brissago
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 395.
    • Vaud (Waadt)
      • Eclépens
    Andermatt, P.J. (2010): Mineralogie im Steinbruch Holcim in Eclépens. Schweizer Strahler, 44 (3), 2-6 (in German and French).
    • Wallis (Valais)
      • Martigny
        • Mont Chemin
    Graeser S., Reuse G. (2005) - Minéraux provenant du tunnel routier de Martigny. Le Cristallier Suisse, n°1, pp: 23-32
    UK
     
    • Wales
      • Caerphilly (Gwent; Monmouthshire)
        • Crumlin
    (BM 1985 MI.33592 & 33593). X-ray diffraction analysis by the NHM
    Ukraine
     
    • Donetsk (Donets'k) Oblast'
      • Central Donbass
    Zanin, Y.N., Pisareva, G.M., Zamirailova, A.G., and Eder, V.G. (2009): Lithology and Mineral Resources 44(3), 267-269
    USA
     
    • Arizona
      • Cochise Co.
        • Mule Mts
          • Warren District
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.:69
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 388.
      • Pinal Co.
        • Pinal Mts
          • Pioneer District
            • Superior
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 354, 388.
    • California
      • Shasta Co.
        • Klamath Mts
          • West Shasta Copper - Zinc District
            • Iron Mountain [town]
              • Iron Mountain
    Majzlan, J., Alpers, C. N., Koch, C. B., McCleskey, R. B., Myneni, S. C., & Neil, J. M. (2011). Vibrational, X-ray absorption, and Mössbauer spectra of sulfate minerals from the weathered massive sulfide deposit at Iron Mountain, California. Chemical Geology, 284(3), 296-305.
    Jamieson, H. E., Robinson, C., Alpers, C. N., McCleskey, R. B., Nordstrom, D. K., & Peterson, R. C. (2005). Major and trace element composition of copiapite-group minerals and coexisting water from the Richmond mine, Iron Mountain, California. Chemical Geology, 215(1), 387-405.
      • Trinity Co.
        • Coastal Range
          • Island Mountain
            • Moose Peak
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 357; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 270.
    • Colorado
      • Eagle Co.
        • Gilman District (Battle Mountain District; Red Cliff District)
          • Gilman
    "Minerals of Colorado, updated & revised", pp. 13-14, by Eckel, Edwin B., 1997
      • Garfield Co.
    Minerals of Colorado (1997) Eckels, E. B.
      • Huerfano Co.
    Minerals of Colorado (1997) E.B. Eckels
      • Jefferson Co.
        • Foothill District
    Minerals of Colorado (1997) Eckels, E. B.
      • La Plata Co.
        • La Plata District (California District)
    collected by Eckhard D. Stuart;
      • Moffat Co.
        • Piceance Basin
    Minerals of Colorado (1997) E.B. Eckels
      • Rio Blanco Co.
    Minerals of Colorado (1997) Eckels, E. B.
    • Connecticut
      • Fairfield Co.
        • Trumbull
          • Long Hill
    Januzzi, Ronald E. (1994): Mineral Data Book - Western Connecticut and Environs. Mineralogical Press, Danbury, Connecticut.
    • Missouri
      • Crawford Co.
        • Steelville
    R&M 73:2 pp 98-117
      • Jasper Co.
    Rocks & Min., March 1998.
      • Lewis Co.
    R&M 73:2 pp 98-117
    • Montana
      • Silver Bow Co.
        • Butte District (Summit Valley District)
          • Butte
    The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964
    • Nevada
      • Elko Co.
        • Bootstrap District
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Eureka Co.
        • Lynn District
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    • New York
      • Putnam Co.
        • Town of Southeast
          • Brewster
    Januzzi (1976) Mineral Localities of Connecticut & Southeastern New York State Januzzi, 1989
    • Ohio
      • Belmont Co.
        • Washington township
    Minerals of Ohio Bull. 69 ODNR
      • Carroll Co.
        • Mineral City
    Minerals of Ohio Bull. 69 ODNR
    • Oklahoma
      • Ottawa Co.
    Rocks & Min. vol. 72 (1997)
    www.brightok.net/~rockman/Images/OkIndex.htm.
    • Utah
      • Emery Co.
        • San Rafael District (San Rafael Swell)
    M. Schindler et al. (2003) Can. Mineral. 41, 83-90
    Min News 6:8 p3
            • North Mesa Mine group
    Patrick Haynes. ID via the late Howard Evans, Jr.
      • San Juan Co.
        • White Canyon District
          • Red Canyon
    Patrick Haynes. IDs by the late Howard Evans, Jr.
    Min News 5:10 p1-5
      • Utah Co.
        • East Tintic Mts
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    Dana 7:II: 480, 565, 634.
    • Virginia
      • Carroll Co.
        • Southern Section-Blue Ridge Province
          • Gossan Lead District
            • Fries
    Minerals of Virginia 1990 by R. V. Dietrich
    Minerals of Virginia 1990 by R. V. Dietrich
      • Louisa Co.
        • Gold-Pyrite Belt
          • Mineral
    Minerals of Virginia 1990 by R. V. Dietrich
      • Wise Co.
        • Big Stone Gap
    Minerals of Virginia 1990 by R. V. Dietrich
    Minerals of Virginia 1990 by R. V. Dietrich
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