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Römerite

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Dexter No. 7 Mine, Calf Mesa, San Rafael District (San Rafael Swell), Emery Co., Utah, USA
© 2006 Chuck Adan

Show Römerite Photos (31)



Formula:
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
 · 14H
 
2
O
System:TriclinicColour:Brown, yellow, ...
Hardness:3 - 3½
Name:Named after Friedrich Adolph Römer (1809-1869), German geologist.


Forms from the oxidation of pyrite and often found with other iron sulphates.

Classification of Römerite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/C.11-10
Nickel-Strunz 10th (pending) edition ID:7.CB.75

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
Dana 8th edition ID:29.7.2.1

29 : HYDRATED ACID AND NORMAL SULFATES
7 : AB2(XO4)4·H2O
Hey's CIM Ref.:25.10.20

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

Type Locality:Rammelsberg Mine, Rammelsberg, Goslar, Harz Mts, Lower Saxony, Germany

Occurrences of Römerite

Geological Setting:Early alteration product of pyrite or pyrrhotite. Rarely as fumarolic product.

Physical Properties of Römerite

Lustre:Vitreous, Greasy
Diaphaneity (Transparency):Translucent
Colour:Brown, yellow, violet-brown; yellow-brown in transmitted light.
Hardness (Mohs):3 - 3½
Cleavage:Perfect
Perfect on {010}
Less perfect on {001}
Fracture:Irregular/Uneven
Density (measured):2.174 g/cm3
Density (calculated):2.173 g/cm3

Crystallography of Römerite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 6.463(8) Å, b = 15.309(18) Å, c = 6.341(8) Å
α = 90.5°, β = 101.09°, γ = 85.73°
Ratio:a:b:c = 0.422 : 1 : 0.414
Unit Cell Volume:V 613.96 ų (Calculated from Unit Cell)
Z:1
Morphology:Pseudo-cubic, with prominent development of [001]; thick tabular {010}. Crystal aggregates; granular; stalactitic.

Optical Data of Römerite

Type:Biaxial (-)
RI values: nα = 1.519 - 1.524 nβ = 1.571 - 1.970 nγ = 1.578 - 1.583
2V:Measured: 45° to 51°
Maximum Birefringence:δ = 0.059

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:relatively strong r> v
Pleochroism:Visible
Comments:X= reddish yellow
Y= pale yellow
Z= yellow-brown

Chemical Properties of Römerite

Formula:
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
 · 14H
 
2
O
Essential elements:Fe, H, O, S
All elements listed in formula:Fe, H, O, S
Empirical Formula:
FeFe
3+
2
(SO
 
4
)
 
4
 · 14H
 
2
O

Relationship of Römerite to other Species

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.05Szomolnokite
FeSO
 
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.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:

- +
25.10.1Szomolnokite
FeSO
 
4
 · H
 
2
O
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
25.10.21Bílinite
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 Römerite

Synonyms:
BückingiteLouderbackiteRoemerite
Other Languages:
German:Bückingit
Roemerit
Römerit
Russian:Ремерит
Spanish:Bückingita
Roemerita
Römerita

Other Information

Other Information:Soluble in water, saline taste.
Special Storage/
Display Requirements from:
Les Vieux Travaux mine,..., Gard, Languedoc-Roussillon, Francehygroscopic. store in hermetic boxes
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 Römerite

Reference List:

- +
Grailich (1858) Ak. Wien., Ber.: 28: 272 (as Roemerite).

Linck (1888) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart: I: 213 (as Bückingit).

Linck (1889) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 15: 22.

Scharizer (1902) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 37: 529.

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 127.

Goldschmidt, V. (1922) Atlas der Krystallformen. 9 volumes, atlas, and text: vol. 7: 125.

Landon (1927) American Mineralogist: 12: 279.

Lausen (1928) American Mineralogist: 13: 220 (as Louderbackite).

Hintze, Carl (1930) Handbuch der Mineralogie. Berlin and Leipzig. 6 volumes: 1 [3B]: 4527.

Ungemach (1935) Bulletin de la Société française de Minéralogie: 58: 160.

Merwin and Posnjak (1937) American Mineralogist: 22: 567.

Wolfe (1937) American Mineralogist: 22: 736.

Pearl, Richard M. (1950), New data on lossenite, louderbackite, zepharovichite, peganite, and sphaerite. American Mineralogist: 35: 1055-1059.

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.: 520 (as Roemerite).

Paul R. Van Loan and Edward Wilfrid Nuffield (1959): An x-ray study of roemerite. Can. Mineral. 6, 348-356.

Fanfani, L.A., A. Nunzi & P.F. Zanazzi (1970): The crystal structure of Roemerite: American Mineralogist: 55: 78-89.

Internet Links for Römerite

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    • Localities for Römerite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Argentina
     
    • Catamarca
      • Andalgalá Department
    		Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina)
    • San Juan
      • La Alcaparrosa
    		Angelelli, Victorio and Gordon, Samuel, G. (1941) Sarmientite, a new mineral from Argentina. Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92.
    Australia
     
    • Queensland
      • Mt Isa - Cloncurry area
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    • South Australia
      • Olary Province
        • Mingary
          • Pine Creek - Mutooroo area
    Austria
     
    • Carinthia
      • Saualpe Mts
        • Lading
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Lower Austria
      • Waldviertel
        • Drosendorf
          • Zettlitz
    		Carinthia II, 194./114 (2004) 217-257.
    • Styria
      • Köflach
        • Köflach - Voitsberg lignite deposit
          • Zangtal District
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
        • Voitsberg
          • Krems
    		Moser & Postl (1990)
      • Leoben
        • Galgenberg Mt.
    		Annalen 1999, p.11-22
      • Leutschach
    		Taucher, J. (1992); Exel, R. (1993)
    Bolivia
     
    • Potosí Department
      • Rafael Bustillo Province (Bustillos Province)
        • Llallagua
    		Hyrsl, J. & A. Petrov (2006): Famous Mineral Localities: Llallagua, Bolivia. Mineralogical Record. 37: 117-162
    Canada
     
    • New Brunswick
      • Gloucester Co.
        • Bathurst Parish
          • Bathurst Mining Camp
    		Sabina (1966) GSC Paper 66-51, 46-47
    • Ontario
      • Sudbury District
        • Foster Township
    		Ontario Division of Mines, Map 2311, Merrit and Foster Townships Sudbury District 1974
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		Henderson, 2007. Micronews 41(1)
    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, 522; Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
          • Chuquicamata District
    		R.B. Cook: "Famous mineal locality; Chuquicamata, Chile": Mineralogical Record, sept.-oct. 1973
            • Toki Cu deposit (Toki Cluster)
    		Natural History Museum Vienna collection (Uwe Kolitsch SXRD on Arturo Molina material)
    • Atacama Region
      • Copiapó Province
    		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: 457.
    China
     
    • Qinghai (Chinghai) Province
      • Haixi Autonomous Prefecture
        • Da Qaidam (Dachaidan) Co.
    		Am Min 90: 1518-1521
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Hradec Králové Region
        • Rtyně v Podkrkonoší
    		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: 521.
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
    		Lapis 2002(7/8), 63-65
    France
     
    • Ile-de-France
      • Hauts-de-Seine
    		A. Lacroix : "Minéralogie de la France et de ses colonies", 1913.
    • Languedoc-Roussillon
      • Gard
        • Saint-Laurent-le-Minier
    		Minéralogie de la mine des malines (Daniel Gol, Alain Martaud, Nicolas Meisser, Pascal Chollet) - Le regne minéral, H.S. XVI, pp 49-86.
    - Gol, D, Martaud, A., Meisser, N. & Chollet, P. (2010): Minéralogie des Malines, Gard. Le Règne Minéral, HS XVI, 49-88.
    Germany
     
    • Baden-Württemberg
      • Black Forest
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Schnorrer-Köhler, G. (1988): Melanterit und Römerit - zwei neue Eisensulfate von der Grube Clara. Lapis, 13 (3), 23. (in German); Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
    • Bavaria
      • Lower Bavaria
        • Bavarian Forest
          • Waldkirchen
            • Röhrnbach
    		Habel, M. (2009): Der Granodioritbruch der Fa. Josef Uhrmann OHG, Steinerleinbach bei Röhrnbach. Mineralien-Welt 20 (2), 66-86.
      • Upper Palatinate
        • Oberpfälzer Wald
          • Waldsassen
            • Pfaffenreuth
    		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: 521; Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Lower Saxony
      • Harz Mts
        • Goslar
          • Rammelsberg
    		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: 520; A. Wittern: "Mineralfundorte in Deutschland", 2001
    • Mecklenburg-West Pomerania
      • Neubrandenburg
        • Friedland
    		A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
    • North Rhine-Westphalia
      • Niederberg area
        • Wülfrath
          • Rohdenhaus
    		Lapis 1988(1), 16-35
      • Ruhr Coal Mining area
        • Bottrop
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
        • Essen
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
        • Herne
    		No reference listed
      • Sauerland
        • Meschede
    		Schnorrer-Köhler, G., (1988): Mineralogische Notizen IV, Der Aufschluss, Vol. 39, 153-168
    • Saxony
      • Dresden
    		Thalheim, K.; Reichel, W. & Witzke, T. (1991): Die Minerale des Döhlener Beckens.- Schriften des Staatlichen Museums für Mineralogie und Geologie zu Dresden, Nr. 3
    • Thuringia
      • Gera
        • Ronneburg U deposit
    		T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Plaka
            • Plaka Mines
    		No reference listed
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Rudabányai Mts.
        • Rudabánya
    		Szakáll: Minerals of Rudabánya, 2001
    • Pest Co.
      • Börzsöny Mts.
    Szakáll & Jánosi: Minerals of Hungary, 1995
    • Veszprém Co.
      • Balaton Uplands
        • Tapolcai Basin
          • Lesenceistvánd
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    Iran
     
    • Hormozgan Province
      • Bandar Abbas (Bandar-e Abbas)
        • Abumusa County
          • Haji Abad town
    		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: 522; Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    • 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.
    • Tuscany
      • Grosseto Province
        • Gavorrano
    		Capperi M., Nannoni R., Brizzi G., 1996. Gavorrano e le sue miniere. Riv. Mineral. Ital., 20.
        • Montieri
    		Brizzi G., Masotti A., 1989. Campiano: un vanto d'Italia. La miniera e i suoi minerali. Riv. Miner. Ital., 12: 1-20.
        • Scansano
          • Pereta
    		Brizzi, G. & Meli, R. (1995): La miniera antimonifera di Pereta con un cenno a quella solfo-cinabrifera di Zolfiere in comune di Scansano (GR). Rivista Mineralogica Italiana, 19:, 217-240.
      • Lucca Province
        • Apuan Alps
          • Vergemoli
            • Fornovolasco
    		Biagioni, C., Orlandi, P., & Bonini, M. (2008). Fornovolasco. Storia e minerali delle miniere di ferro presso Vergemoli (Alpi Apuane). Rivista Mineralogica Italiana, 4/2008, 230-252
      • Siena Province
        • Chiusdino
    		Mineralogical Record, 15 (1), 27-36; Borselli G., Innocenti E., Rossellini A., 1978. Ancora un raro minerale alle Cetine - la Romerite. Not. Gr. Mineral. Fiorent., V, 4: 15-16
    Japan
     
    • Hokkaido
      • Hidaka Province
        • Monbetsu (Mombetsu)
    		A. Petrov specimen
      • Kameda Peninsula
        • Nanae
    		Y. Okazaki collection
    Peru
     
    • Ayacucho Department
      • Lucanas Province
        • Huachuas
    		Hyršl, J. (2010): Ein Neufund fantastischer Sulfate in der Mina Javier. Mineralien-Welt 21 (3), 68-71 (in German).
    • Pasco Department
      • Daniel Alcides Carrión Province
        • Cerro de Pasco
    		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: 437,515.
    Portugal
     
    • Aveiro District
      • Albergaria-a-Velha
    		- J. Marques de Sá & C. Leal Gomes (2010): LES MINES DE CUIVRE ET NICKEL DE PALHAL ET TELHADELA, PORTUGAL. Le Regne Mineral, nº92, xx-xx.
    Romania
     
    • Maramures Co.
      • Baia Mare (Nagybánya)
        • Chiuzbaia (Kisbánya)
    Slovakia
     
    • Banská Bystrica Region
      • Banská Štiavnica Co.
        • Banská Štiavnica Mining District
          • Banská Štiavnica (Selmecbánya; Schemnitz)
      • Žiar nad Hronom Co.
    		Ďuďa R., 1993 : Die mineralien der Gold und Silber - lagersttäte von Kremnitz ( Kremnica) in der Slowakei. Mineralien Welt /Haltern,Nemecko/,5, s. 20 - 32
    • Košice Region
      • Košice 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
      • Rooiberg tin field
    		Minerals of South Africa
    Spain
     
    • Andalusia
      • Huelva
        • Minas de Riotinto
          • Rio Tinto Mines
    		Calvo, M. et al.(1999). Bocamina (4), 50-86
    • Cantabria
      • Reocín
    		Castro, A.M., Calvo, M., García, G. & Alonso, A. (2001). La mina de Reocin (Cantabria). Bocamina, 8, 112-67
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Medel Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 351.
    • Wallis (Valais)
      • Anniviers Valley
        • Saint-Luc
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 351.
      • Martigny
        • Mont Chemin
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 351.
    USA
     
    • Arizona
      • Cochise Co.
        • Mule Mts
          • Warren District
    		No reference listed
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 297.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 352.
              • Higgins Mine (Higgins tunnel)
    		Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 9.
              • Queen Hill
    		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: 522, 531; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 354, 356; Merwin, H.E. & E. Posnjak (1937), Sulphate encrustations in the Copper Queen mine, Bisbee, AZ, Am.Min.: 22: 567-571; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 59, 62.
      • Yavapai Co.
        • Black Hills (Black Hill Range)
          • Verde District
            • Jerome
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 356; Lausen, C. (1928), Hydrous sulphates formed under fumerolic conditions at the United Verde mine, AmMin: 13: 203-229; Wood, M.M. (1970), The crystal structure of ransomite, Am.Min.: 55: 729-734; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 62.
    • California
      • Alameda Co.
        • Diablo Range
          • Oakland Hills
            • Oakland
              • Leona Heights
                • Leona Heights deposit
    		No reference listed
    [Mineralogical Record 20 129-142]
      • Alpine Co.
        • Monitor - Mogul District
          • Markleeville
    		Gary, George L. (1939), Sulphate minerals at the Leviathan Sulphur mine, Alpine County, California: California Division Mines Report 35: 4895; Nichols, J.B. (1946), Collecting minerals in Alpine County, California The Mineralogist: 14: 172; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 323; Pemberton, H. Earl (1983), Minerals of California: 275; Mineralogical Record 20 129-142; Rocks & Min.: 16: 411.
      • Contra Costa Co.
        • Diablo Range
          • Clayton
            • Mount Diablo State Park
              • Mount Diablo (Mt Diablo)
    		Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 41, 42, 44; Pampeyan, Earl Haig (1963), Geology and mineral deposits of Mount Diablo, Contra Costa County, California: California Division Mines & Geol., Special Report 80, 31 pp.: 24; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 323; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 275.
      • Merced Co.
        • Diablo Range
          • Stayton District (McLeod District; Panoche District)
            • Hollister area
              • Mariposa Peak
    		Anonymous (1958), World news on mineral occurrences: Rocks & Minerals: 33: 195-196; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 324.
      • Napa Co.
        • Mayacmas Mts (Mayacamas Mts)
          • Calistoga District (Silverado District)
            • Calistoga
              • Twin Peaks
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 323, 324; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 271, 275.
      • San Bernardino Co.
        • Calico Mts (Calico Hills)
          • Calico District (Daggett District)
            • Yermo
              • Mule Canyon
    		American Mineralogist (1931), 16: 352-360.; Moller, W.P. (1963) Sulfur Hole. Mineralogist: 31, part 1, N. 3: 12-16; part 2, No. 4: 14-15; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 275; Joseph F. Cooper, Jr., Gail E. Dunning, Ted A. Hadley, and William P. Moller (2001) The Sulfur Hole, Calico District, San Bernardino County, California
      • Trinity Co.
        • Island Mountain
    		Stinson, Melvin Clarence (1957a), Geology of the Island Mountain copper mine, Trinity County, California: California Journal of Mines and Geology: 53: 25; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 324; Fanfani, L., A. Nunzi, and P.F. Zanazzi (1970) The crystal structure of roemerite. American Mineralogist: 55: 79; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 274, 275; 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: 522.
    • Colorado
      • Eagle Co.
        • Gilman District (Battle Mountain District; Red Cliff District)
          • Gilman
    		Minerals of Colorado (1997) Eckels, E. B.
      • El Paso Co.
        • Pikeville
    		Minerals of Colorado (1997) E.B. Eckels
    • Kentucky
      • Lincoln Co.
    		MinRec 28 (5), 369-384.
    Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
    • Montana
      • Silver Bow Co.
        • Butte District (Summit Valley District)
          • Butte
    		The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964
    • Nevada
      • Esmeralda Co.
        • Goldfield District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    • Utah
      • Emery Co.
        • San Rafael District (San Rafael Swell)
          • Calf Mesa
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    Min Rec 19:331-338
      • 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
    • Virginia
      • Carroll Co.
        • Southern Section-Blue Ridge Province
    		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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