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Sideronatrite

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Formula:
Na
 
2
Fe(SO
 
4
)
 
2
(OH) · 3H
 
2
O
System:OrthorhombicColour:Yellow, yellow-brown, ...
Hardness:1½ - 2
Name:In allusion to the composition, containing iron (Greek "SIDEROs") and sodium (Latin "NATRIum").


A rare sodium-iron-sulphate found in arid regions.

Reversibly dehydrates to metasideronatrite depending on relative humidity and exposure to sunlight.

Two MDO polytypes are known, sideronatrite-2O (MDO1) and sideronatrite-2M (MDO2).

Classification of Sideronatrite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/D.15-10
Nickel-Strunz 10th (pending) edition ID:7.DF.20

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
F : With large and medium-sized cations
Dana 8th edition ID:31.8.3.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
8 : (AB)3(XO4)2Zq·xH2O
Hey's CIM Ref.:25.11.2

25 : Sulphates
11 : Sulphates of Fe and other metals
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Type Occurrence of Sideronatrite

Type Locality:San Simon Mine, Santa Rosa-Huantajaya District, Iquique Province, Tarapacá Region, Chile
Year of Discovery:1878
Geological Setting of type material:Very arid regions.

Occurrences of Sideronatrite

Geological Setting:Secondary mineral in pyrite deposits in arid environments. Alteration of pyrite by sea spray or saline waters in metallic veins, and coal measures.

Physical Properties of Sideronatrite

Lustre:Vitreous
Colour:Yellow, yellow-brown, straw-yellow, light orange; pale yellow to nearly colourless in transmitted light.
Streak:Yellowish white
Hardness (Mohs):1½ - 2
Tenacity:Elastic
Cleavage:Perfect
Perfect on {010}
Fair on {100}
Density (measured):2.22 - 2.35 g/cm3
Density (calculated):2.276 g/cm3

Crystallography of Sideronatrite

Crystal System:Orthorhombic
Class (H-M):2 2 2 - Disphenoidal
Space Group:P21 21 21
Cell Parameters:a = 7.265(2) Å, b = 20.522(6) Å, c = 7.120(2) Å
Ratio:a:b:c = 0.354 : 1 : 0.347
Unit Cell Volume:V 1,061.54 ų (Calculated from Unit Cell)
Z:4
Morphology:Lathlike to acicular crystals, elongated [001]; fibrous crusts; earthy, pulverent; efflorescent crusts.
Comment:Data for MDO1 polytype.

Optical Data of Sideronatrite

Type:Biaxial (+)
RI values: nα = 1.508(3) nβ = 1.525(3) nγ = 1.586(3)
2V:Calculated: 53° to 63°
Maximum Birefringence:δ = 0.078

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:strong r>v
Pleochroism:Weak
Comments:X = a = Nearly colourless
Y = b = Very pale golden yellow
Z = c = Pale golden yellow

Chemical Properties of Sideronatrite

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

Relationship of Sideronatrite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DF.05Uklonskovite
NaMg(SO
 
4
)F · 2H
 
2
O
7.DF.10Kainite
KMg(SO
 
4
)Cl · 3H
 
2
O
7.DF.15Natrochalcite
NaCu
 
2
(SO
 
4
)
 
2
(OH) · 2H
 
2
O
7.DF.20Metasideronatrite
Na
 
2
Fe(SO
 
4
)
 
2
(OH) · H
 
2
O
7.DF.25Despujolsite
Ca
 
3
Mn
4+
 
(SO
 
4
)
 
2
(OH)
 
6
· 3H
 
2
O
7.DF.25Fleischerite
Pb
 
3
Ge(SO
 
4
)
 
2
(OH)
 
6
· 3H
 
2
O
7.DF.25Schaurteite
Ca
 
3
Ge(SO
 
4
)
 
2
(OH)
 
6
· 4H
 
2
O
7.DF.25Mallestigite
Pb
 
3
Sb
5+
 
(SO
 
4
)(AsO
 
4
)(OH)
 
6
· 3H
 
2
O
7.DF.30Slavíkite
(H
 
3
O
+
 
)
 
3
Mg
 
6
Fe
 
15
(SO
 
4
)
 
21
(OH)
 
18
· 99H
 
2
O
7.DF.35Metavoltine
Na
 
6
K
 
2
FeFe
 
6
(SO
 
4
)
 
12
O
 
2
· 18H
 
2
O
7.DF.40Lannonite
HCa
 
4
Mg
 
2
Al
 
4
(SO
 
4
)
 
8
F
 
9
· 32H
 
2
O
7.DF.40Vlodavetsite
AlCa
 
2
(SO
 
4
)
 
2
F
 
2
Cl · 4H
 
2
O
7.DF.45Peretaite
Ca(SbO)
 
4
(SO
 
4
)
 
2
(OH)
 
2
· 2H
 
2
O
7.DF.50Gordaite
NaZn
 
4
(SO
 
4
)(OH)
 
6
Cl · 6H
 
2
O
7.DF.55Clairite
(NH
 
4
)
 
2
Fe
 
3
(SO
 
4
)
 
4
(OH)
 
3
· 3H
 
2
O
7.DF.60Arzrunite
Cu
 
4
Pb
 
2
(SO
 
4
)(OH)
 
4
Cl
 
6
· 2H
 
2
O (?)
7.DF.65Elyite
Pb
 
4
Cu(SO
 
4
)O
 
2
(OH)
 
4
· H
 
2
O
7.DF.70Yecoraite
Fe
3+
3
Bi
 
5
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)O
 
9
· 9H
 
2
O
7.DF.75Riomarinaite
Bi(SO
 
4
)(OH) · H
 
2
O
7.DF.80Dukeite
Bi
3+
24
Cr
6+
8
O
 
57
(OH)
 
6
· 3H
 
2
O
7.DF.85Xocolatlite
Ca
 
2
Mn
4+
2
(Te
6+
 
O
 
6
)
 
2
· H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
25.11.1Natrojarosite
NaFe
 
3
(SO
 
4
)
 
2
(OH)
 
6
25.11.3Metasideronatrite
Na
 
2
Fe(SO
 
4
)
 
2
(OH) · H
 
2
O
25.11.4Ferrinatrite
Na
 
3
Fe(SO
 
4
)
 
3
· 3H
 
2
O
25.11.5Amarillite
NaFe(SO
 
4
)
 
2
· 6H
 
2
O
25.11.6Yavapaiite
KFe(SO
 
4
)
 
2
25.11.7Krausite
KFe(SO
 
4
)
 
2
· H
 
2
O
25.11.8Goldichite
KFe(SO
 
4
)
 
2
· 4H
 
2
O
25.11.9Jarosite
KFe
3+
 
 
3
(SO
 
4
)
 
2
(OH)
 
6
25.11.10Voltaite
K
 
2
Fe
2+
5
Fe
3+
3
Al(SO
 
4
)
 
12
· 18H
 
2
O
25.11.11Ungemachite
K
 
3
Na
 
8
Fe(SO
 
4
)
 
6
(NO
 
3
)
 
2
· 6H
 
2
O
25.11.12Metavoltine
Na
 
6
K
 
2
FeFe
 
6
(SO
 
4
)
 
12
O
 
2
· 18H
 
2
O
25.11.13Sabieite
(NH
 
4
)Fe
3+
 
(SO
 
4
)
 
2
25.11.14Ammoniojarosite
(NH
 
4
)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
25.11.15Clairite
(NH
 
4
)
 
2
Fe
 
3
(SO
 
4
)
 
4
(OH)
 
3
· 3H
 
2
O
25.11.16Mohrite
(NH
 
4
)
 
2
Fe(SO
 
4
)
 
2
· 6H
 
2
O
25.11.17Lonecreekite
(NH
 
4
)Fe
3+
 
(SO
 
4
)
 
2
· 12H
 
2
O
25.11.18Godovikovite
(NH
 
4
)Al(SO
 
4
)
 
2
25.11.19Botryogen
MgFe
3+
 
(SO
 
4
)
 
2
(OH) · 7H
 
2
O
25.11.21Slavíkite
(H
 
3
O
+
 
)
 
3
Mg
 
6
Fe
 
15
(SO
 
4
)
 
21
(OH)
 
18
· 99H
 
2
O
25.11.23Sturmanite
Ca
 
6
(Fe
3+
 
,Al,Mn
3+
 
)
 
2
(SO
 
4
)
 
2
[B(OH)
 
4
](OH)
 
12
· 25H
 
2
O
25.11.24Millosevichite
(Al,Fe)
 
2
(SO
 
4
)
 
3
25.11.25Aluminocopiapite
Al
 
2/3
Fe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
· 20H
 
2
O
25.11.26Halotrichite
FeAl
 
2
(SO
 
4
)
 
4
· 22H
 
2
O
25.11.27Idrizite
(Mg,Fe)(Al,Fe)
 
2
(SO
 
4
)
 
3
(OH)
 
2
· 15H
 
2
O or near
25.11.28Lishizhenite
ZnFe
 
2
(SO
 
4
)
 
4
· 14H
 
2
O
25.11.29Zincovoltaite
K
 
2
Zn
 
5
Fe
3+
3
Al(SO
 
4
)
 
12
· 18H
 
2
O

Other Names for Sideronatrite

Synonyms:
Urusite
Other Languages:
German:Sideronatrit
Urusit
Spanish:Sideronatrita
Urusita

Polytypes for Sideronatrite

Polytypes:
Sideronatrite-2MSideronatrite-2O

Other Information

Other Information:Insoluble in cold water. Soluble in boiling water with seperation of ferric oxide. Reversibly dehydrates to metasideronatrite.
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 Sideronatrite

Reference List:

- +
Raimondi, A. (1878) Minéraux du Pérou: Catalogue raisonné d’une collection des principaux types minéraux de la République. 336pp., Paris: 233.

Frenzel (1880) Mineralogische und petrographische Mitteilungen, Vienna: 2: 133 (as Urusite).

Frenzel (1890) Mineralogische und petrographische Mitteilungen, Vienna: 11: 214.

Genth and Penfield (1890) American Journal of Science: 40: 201.

Scharizer (1906) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 41: 215.

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 134.

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.: 604-605.

Cesbron, F. (1964): Contribution à la minéralogie des sulfates de fer hydratés. Bull. Soc. Franç. Minéral. Cristallogr. 87, 125-143.

Scordari, F. (1981) Sideronatrite, a mineral with a {Fe2(SO4)4(OH)2} guildite type chain? Tschermaks Mineralogische und Petrographische Mitteilungen: 28: 315-319.

Neues Jahrbuch für Mineralogie, Monatshefte (1982): 6: 344.

Periodico di Mineralogia (1985): 54: 5.

Scordari, F. & Ventruti, G. (2009): Sideronatrite, Na2Fe(SO4)2(OH)3H2O: crystal structure of the orthorhombic polytype and OD character analysis. American Mineralogist, 94, 1679-1686.

Internet Links for Sideronatrite

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  • Localities for Sideronatrite

    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
     
    • Jujuy
      • El Palmar District
    Zavalia, Maria Florencia Marquez & Galliski, Miguel Angel (1995): Goldichite of fumarolic origin from the Santa Barbara mine, Jujuy, northwestern Argentina. Canadian Mineralogist 33, 1059-1062.
    Australia
     
    • South Australia
      • Andamooka Ranges - Lake Torrens area
        • Stuart Shelf area
          • Mt Gunson
    Pring, A., Elliot, P. (1987) Sideronatrite: first recorded occurrences in Australia. Australian Mineralogist, Vol. 2, No. 2, pg. 3-6.
      • Olary Province
        • Wadnaminga goldfield
    Pring, A., Elliot, P. (1987) Sideronatrite: first recorded occurrences in Australia. Australian Mineralogist, Vol. 2, No. 2, pg. 3-6.
    Austria
     
    • Salzburg
      • Hohe Tauern
        • Gastein valley
          • Bad Gastein
    A. Strasser: Die Minerale Salzburgs, 1989
    Belgium
     
    • Limburg Province
      • Genk
    Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    Bolivia
     
    • Potosí Department
      • Potosí City
    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: 605; Mineralogical Record: 32: 465.
    Canada
     
    • Nova Scotia
      • Cape Breton Co.
        • Sydney coalfield
          • Glace Bay
            • #26 Colliery
    Erwin L. Zodrow and Keith McCandlish, "Hydrated Sulfates in the Sydney Coalfiled, Cape Breton, Nova Scotia", Canadian Mineralogist, vol. 16, pp.17-22, 1978.
    Chile
     
    • Antofagasta Region
      • Antofagasta Province
    Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
        • Mejillones
          • Mejillones peninsula
    Luigi Chiappino specimen
    Samples analysed by Dr. Tony Kampf, Curator of LAC Mineralogical Museum, USA; Some of the Sulphates has been identified and confirmed by Dr Tony Kampf and Dr. Stuart Mills, LAC Musuem, CA, USA
    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: 614.
    [Sideronatrite-2M] NHM Vienna collection (Uwe Kolitsch SXRD analysis; MDO2 polytype)
    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 & 605.
      • 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. 7th edition: 457.; 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
    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: 597.
    Dana 7:II:457.
    • Tarapacá Region
      • Iquique Province
        • Santa Rosa-Huantajaya 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: 605; Bull. Min. 87 (1964): 125; Clark, 1993 - "Hey's Mineral Index."
    China
     
    • Qinghai Province
      • Haixi Autonomous Prefecture
        • Da Qaidam Co. (Dachaidan Co.)
    Guangzhi Tu, Xilin Li, Xande Xie, and Shusen Yin (1964): Acta Geologica Sinica 44(1), 99-101; American Mineralogist 90, 1518-1521
    • Xinjiang Autonomous Region
      • Tulufan Prefecture (Turfan Prefecture; Turpan Prefecture)
        • Shanshan Co. (Piqan Co.; Pichan Co.)
          • Kanggur-Xifengshan gold belt
    Kaiyin Bai and Zhaoxin Han (2007): Northwestern Geology 40(2), 114-117
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
    Lapis 2002(7/8), 63-65
    France
     
    • Brittany
      • Morbihan
        • Belle-Ile
          • Le Palais
    R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    Germany
     
    • North Rhine-Westphalia
      • Ruhr Coal Mining area
        • Bottrop
    Weiss: "Mineralfundstellen, Deutschland West", 1990
        • Herne
    No reference listed
        • Marl
          • Marl-Hüls
    Weiss: "Mineralfundstellen, Deutschland West", 1990
    • 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
    Hungary
     
    • Heves Co.
      • Mátra Mts.
        • Recsk
    No reference listed
    Ireland
     
    • Co. Kerry
    Moreton et al. (1995) Irish J. Earth Sciences, 14, 1-5..
    Italy
     
    • Sicily
      • Messina Province
        • Eolie Islands (Aeolian Islands)
          • Lipari
            • Vulcano Island
              • Porto Levante
    GARAVELLI A., GRASSO M.F., VURRO F. (1996): Mineral occurrence and depositional processes at Baia di Levante area (Vulcano Island, Italy). - Mineralogica et Petrographica Acta - 39, 251- 261.
    • Tuscany
      • Siena Province
        • Chiusdino
    Mineralogical Record, 15 (1), 27-36.
    Namibia
     
    • Erongo Region
      • Karibib District
        • Spitzkopje Area
    Kleser, T. & Berghäuser, M. (2008): Vanadinit und weitere Mineralien aus der Namib Lead Mine. Mineralien-Welt 19 (4), 94-104 (in German); NHM Vienna collection (Uwe Kolitsch SXRD analysis; MDO2 polytype)
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Turoszow
    Stepisiewicz, M. (1983): Sideronatrite and copiapite from Turoszow, Lower Silesia. Archiwum Mineralogiczne 38, 35-44 (in Polish).
    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.
    Slovakia
     
    • Prešov Region
      • Prešov Co.
        • Červenica
    Duda,R. et. all.,1981: MIneralogia severnej časti Slanských vrchov. Min.Slovaca,Monografia 2, Bratislava, 98p
    South Africa
     
    • Gauteng Province
    Minerals of South Africa
    Switzerland
     
    • Vaud (Waadt)
      • Bex
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 228.
    Turkmenistan
     
    • Balkan Province
      • Cheleken peninsula
    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: 605.
    UK
     
    • England
      • Cornwall
        • Wadebridge District
          • St Teath
            • Treligga
    Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
      • Devon
        • South Devon
          • Torquay
    NHM Collection, London (2009) - EDX analysis
      • Hampshire
        • Milton
    MinMag 63:757
      • North Yorkshire
        • Scarborough
    No reference listed
      • Tyne & Wear
        • Wallsend
    Mineralogical Magazine 1966 35 : 983-990
    Ukraine
     
    • Crimea Oblast'
      • Crimea peninsula
        • Sudak Area
          • Morskoye Village
    Geologiya SSSR (The geology of USSR) (1969) - Nedra (Moscou), 1969, vol. VIII, 575 p.
    USA
     
    • California
      • Kern Co.
        • Kramer District
          • Boron
    Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9&10): 168; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 278-279.
    • Nevada
      • Churchill Co.
        • Desert District
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Eureka Co.
        • Beowawe District
    Mineralogical Research Co. mineral list.
    NBMG Spec. Pub. 31 Minerals of Nevada
        • Crescent Valley
    Minerals of Nevada, by Castor and Ferdock, 2004; p. 117
    • Utah
      • Emery Co.
    Collection of NHM, Vienna
    Rick Dalrymple photo
      • San Juan Co.
        • White Canyon District
          • Red Canyon
    Collected by and in the collection of Brent Thorne.
      • Wayne Co.
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    Mineral and/or Locality
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