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Szomolnokite

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Markey Mine, Red Canyon, White Canyon District, San Juan Co., Utah, USA
© Brent Thorne

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Formula:
FeSO
 
4
·H
 
2
O
System:MonoclinicColour:Sulfur-yellow ro ...
Hardness:2½
Name:Named in 1877 for the type locality, at Szomolnok, Slovakia.


Kieserite Group

A rare mineral.

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:Smolnik Mine (Szomolnok Mine; Schmolnitz Mine; Schmölnitz), Smolnik Mining District, Eastern Slovenské Rudohorie Mts, Košice Region, Slovakia
Year of Discovery:1877
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:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Sulfur-yellow ro reddish-brown, may also be blue or colorless.
Streak:Not reported.
Hardness (Mohs):2½
Hardness Data:Measured
Tenacity:Brittle
Cleavage:None Observed
Fracture:Irregular/Uneven, Conchoidal
Density (measured):3.03 - 3.07 g/cm3
Density (calculated):3.08 g/cm3

Crystallography of Szomolnokite

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 = 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:Bipyramidal {_111} and {110}, also tabular parallel to {_111}; more typically (?) globular to stalactic.
Twinning:Reported as common, but no forms given.
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)

Optical Data of Szomolnokite

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

Chemical Properties of Szomolnokite

Formula:
FeSO
 
4
·H
 
2
O
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 Group:
Kieserite Group:
M
2+
 
SO
 
4
·H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- + 
7.CB.05Dwornikite
(Ni,Fe)SO
 
4
·H
 
2
O
7.CB.05Gunningite
(Zn,Mn)SO
 
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.15IMA2002-034
CdSO
 
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.55Coquimbite
Fe
 
2
(SO
 
4
)
 
3
·9H
 
2
O
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
(SO
 
4
)
 
3
·9H
 
2
O
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
[O|(SO
 
4
)
 
2
] · 4H
 
2
O
25.10.14Hohmannite
Fe
3+
2
[O|(SO
 
4
)
 
2
] · 8H
 
2
O
25.10.15Butlerite
Fe
3+
 
[OH|SO
 
4
] · 2H
 
2
O
25.10.16Parabutlerite
Fe
3+
 
[OH|SO
 
4
] · 2H
 
2
O
25.10.17Amarantite
Fe
3+
2
[O|(SO
 
4
)
 
2
] · 7H
 
2
O
25.10.18Fibroferrite
Fe
3+
 
[OH|SO
 
4
] · 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
[OH|(SO
 
4
)
 
3
]
 
2
 · 20H
 
2
O
Other Names for Szomolnokite
Synonyms:
Ferropallidite
Other Languages:
German:Szomolnokit
Russian:Ссомольнокит
Spanish:Szomolnokita
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 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.



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 (1997), Dana's New Mineralogy : The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana: 596.



Neues Jahrbuch für Mineralogie, Monatshefte (1991): 296-306.


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    Localities for Szomolnokite
    






    


    

    
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.

    


    



     		

    (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
    

      • La 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 Mts
    

        • Malta valley
    

          • Gößbach valley
    
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    


      • Packalpe Mts
    

        • Bad St Leonhard
    

    

    • Lower Austria
    

      • Waldviertel
    

        • Mühldorf
    

          • Amstall
    
    		Kolitsch, U. (2008)
    

    • Styria
    

      • Leutschach
    
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    

    • New Brunswick
    

      • Gloucester Township
    

        • Bathurst (Bathurst Mining Camp)
    
    		Sabina (1966) GSC Paper 66-51, 46-47
    

    • Québec
    

      • Montérégie
    

        • Rouville 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
    

        • Galena Hill
    

          • Calumet
    
    		No reference listed
    Chile
     
    

    • Antofagasta Region
    

      • 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.
    




          • Chuquicamata District
    

            • Toki Cu deposit
    
    		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.
    China
     
    

    • Xinjiang (Xinjiang-Uygur) Autonomous Region
    

      • Tulufan (Turfan; Turpan) Prefecture
    

        • Shanshan (Piqan; Pichan) Co.
    
    		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
    

        • Kladno
    

          • Libušin
    
    		No reference listed
    



        • 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)
    

          • Ostrov
    
    		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. 
    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 Fioure; La Fiouve) & La Fauvette valleys
    
    		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
    

    

    • Rhône-Alpes
    

      • Rhône
    

        • Beaujeu
    

          • Claveisolles
    
    		G. Demarcq, 1973, "Guides Géologiques Régionaux : Lyonnais, Vallée du Rhöne" , Masson.
    Germany
     
    

    • Baden-Württemberg
    

      • Black Forest
    

        • Freiburg im Breisgau
    

          • Schauinsland Mt.
    
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    



        • Lahr
    

          • Reichenbach
    

            • Weiler
    
    		Wittern: "Mineralfundorte in Deutschland", 2001
    


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)
    

    • Hesse
    

      • North Hesse
    

        • Richelsdorf District
    

          • Süss
    

            • Richelsdorf Smelter
    
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
    

    • Lower Saxony
    

      • Harz Mts
    

        • 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 Mts
    

        • 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 Mt.
    
    		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
    


      • Zempléni 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
    
    		ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
    



        • Recsk
    
    		ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
    

    • Pest Co.
    

      • Börzsöny Mts.
    

        • Nagybörzsöny
    
    		Szakáll & Jánosi: Minerals of Hungary, 1995
    

    • Veszprém Co.
    

      • Bakony Mts.
    

        • Nyirád
    
    		ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
    


ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
    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 Island
    

      • Oshima peninsula
    

        • Kaminokuni
    
    		Matsubara, S. and Miyawaki, R. (2006) Catalogue of Japanese Minerals, p 123. (Tokai University Press)
    Norway
     
    

    • Akershus
    

      • Eidsvoll (Eidsvold)
    
    		D. Van der Wel (1970, pers. com.); Neumann (1985, p. 108).
    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
    

      • Štiavnica Mts
    

        • Banská Štiavnica Mining District
    

          • Banská Štiavnica (Selmecbánya; Schemnitz)
    

    

    • Košice Region
    

      • Eastern Slovenské Rudohorie Mts
    
    		Koděra,  M.  et al., 1986 a  1990 : Topografická mineralógia Slovenska, diel  1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    



        • Smolnik Mining District
    
    		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
    South Africa
     
    

    • KwaZulu-Natal Province
    

      • Pinetown
    

        • Westville
    
    		Minerals of South Africa
    


      • 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.
    

    • 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
     
    

    • Donets'k Oblast' (Donetsk Oblast')
    

      • Gorlovka
    

        • Novyy 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
    
    		No reference listed
    





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.
    

    • 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.
    


      • Moffat Co.
    

        • Piceance Basin
    
    		Minerals of Colorado (1997) E.B. Eckels
    


      • Rio Blanco Co.
    
    		Minerals of Colorado (1997) Eckels, E. B.
    

    • 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
    

          • Butte
    
    		The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964
    

    • Nevada
    

      • Elko Co.
    

        • Bootstrap District
    

    


      • Eureka Co.
    

        • Lynn District
    
    		NBMG Spec. Pub. 31 Minerals of Nevada
    




NBMG Spec. Pub. 31 Minerals of Nevada
    

    • New York
    

      • Putnam Co.
    

        • Brewster
    
    		Januzzi (1976) Mineral Localities of Connecticut & Southeastern New York State
    

    • 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
    


      • San Juan Co.
    

        • White Canyon District
    

          • Red Canyon
    

    




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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