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Slavíkite

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František Slavík
Formula:
(H3O+)3Mg6Fe15(SO4)21(OH)18 · 98H2O
Originally assumed to be NaMg2Fe3+5(SO4)7(OH)6.33H2O. Redefined by Parafiniuk et al. (2010).
Colour:
Pale yellow, pale yellow-green
Lustre:
Vitreous, Dull
Hardness:
Specific Gravity:
1.905 - 1.99
Crystal System:
Trigonal
Name:
Named in 1926 by Rudolf Jirkovsky and František Ulrich in honor of František Slavík [July 18, 1876 - January 27, 1957], Charles University in Prague where he was Dean of the Faculty of Science from 1924 to 1925 and Rector from 1937 to 1938 (Am. Mineral. 43, 325-330).
This page provides mineralogical data about Slavíkite.


Hide all sections | Show all sections

Classification of SlavíkiteHide

Approved
Notes:
Renamed by the IMA
Approval History:
Renamed by IMA: 2009
7.DF.30

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
F : With large and medium-sized cations
31.9.13.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
25.11.21

25 : Sulphates
11 : Sulphates of Fe and other metals

Physical Properties of SlavíkiteHide

Vitreous, Dull
Transparency:
Transparent
Colour:
Pale yellow, pale yellow-green
Hardness:
3½ on Mohs scale
Parting:
Parting on {0001}
Density:
1.905 - 1.99 g/cm3 (Measured)    
Comment:
Values measured on Bohemian and Argentinian materials, respectively.

Optical Data of SlavíkiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.530 - 1.537 nε = 1.494 - 1.506
Max Birefringence:
δ = 0.036
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Pleochroism:
Visible
Comments:
Dichroic:

O = Lemon-yellow
E = Nearly colorless

Chemical Properties of SlavíkiteHide

Formula:
(H3O+)3Mg6Fe15(SO4)21(OH)18 · 98H2O

Originally assumed to be NaMg2Fe3+5(SO4)7(OH)6.33H2O. Redefined by Parafiniuk et al. (2010).
IMA Formula:
(H3O)1+3Mg6Fe15(SO4)21(OH)18 · 98H2O

Crystallography of SlavíkiteHide

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 12.2 Å, b = 12.2 Å, c = 35.13 Å
Ratio:
a:b:c = 1 : 1 : 2.88
Unit Cell V:
4,528.23 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Crystals to 0.3mm scaly; tabular {0001} with prominent {10_11}; incrustations, efforvescences, fine granular, massive.

Type Occurrence of SlavíkiteHide

Place of Conservation of Type Material:
Charles University, Prague Czech Republic 8877
Geological Setting of Type Material:
Weathering pyritic shales
Associated Minerals at Type Locality:

Synonyms of SlavíkiteHide

Other Language Names for SlavíkiteHide

German:Slavikit
Simplified Chinese:菱镁铁矾
Spanish:Slavikita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Pickeringite3 photos of Slavíkite associated with Pickeringite on mindat.org.
Alpersite1 photo of Slavíkite associated with Alpersite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.DF.Aldridgeite(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6 · 3H2O Mon. 2/m : B2/b
7.DF.AlcaparrosaiteK3Ti4+Fe3+(SO4)4O(H2O)2Mon. 2/m : B2/b
7.DF.05UklonskoviteNaMg(SO4)F · 2H2OMon.
7.DF.10KainiteKMg(SO4)Cl · 3H2OMon. 2/m : B2/m
7.DF.15NatrochalciteNaCu2(SO4)2(OH) · 2H2OMon. 2/m : B2/m
7.DF.20MetasideronatriteNa2Fe(SO4)2(OH) · H2OOrth. mmm (2/m 2/m 2/m)
7.DF.20SideronatriteNa2Fe(SO4)2(OH) · 3H2OOrth. 2 2 2 : P21 21 21
7.DF.25DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2OHex. 6 m2 : P62c
7.DF.25FleischeritePb3Ge(SO4)2(OH)6 · 3H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
7.DF.25SchaurteiteCa3Ge(SO4)2(OH)6 · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
7.DF.25MallestigitePb3Sb5+(SO4)(AsO4)(OH)6 · 3H2OHex. 6 : P63
7.DF.35MetavoltineNa6K2FeFe6(SO4)12O2 · 18H2OTrig.
7.DF.40LannoniteMg2Ca4Al4(SO4)8F8 · 24H2O Tet. 4/m : I4/m
7.DF.40VlodavetsiteAlCa2(SO4)2F2Cl · 4H2OTet. 4/m : I4/m
7.DF.45PeretaiteCa(SbO)4(SO4)2(OH)2 · 2H2OMon. 2/m : B2/b
7.DF.50GordaiteNaZn4(SO4)(OH)6Cl · 6H2OTrig. 3 : P3
7.DF.55Clairite(NH4)2Fe3(SO4)4(OH)3 · 3H2OTric.
7.DF.60ArzruniteCu4Pb2(SO4)(OH)4Cl6 · 2H2O (?)Orth.
7.DF.65ElyitePb4Cu(SO4)O2(OH)4 · H2OMon. 2/m
7.DF.70YecoraiteFe3+3Bi5(Te6+O4)2(Te4+O3)O9 · 9H2O
7.DF.75RiomarinaiteBi(SO4)(OH) · H2OMon. 2/m
7.DF.80DukeiteBi3+24Cr6+8O57(OH)6 · 3H2OTrig. 3m : P3 1c
7.DF.85XocolatliteCa2Mn4+2(Te6+O6)2 · H2OMon. 2/m : P2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.11.1NatrojarositeNaFe3(SO4)2(OH)6Trig. 3m : R3m
25.11.2SideronatriteNa2Fe(SO4)2(OH) · 3H2OOrth. 2 2 2 : P21 21 21
25.11.3MetasideronatriteNa2Fe(SO4)2(OH) · H2OOrth. mmm (2/m 2/m 2/m)
25.11.4FerrinatriteNa3Fe(SO4)3 · 3H2OTrig. 3 : P3
25.11.5AmarilliteNaFe(SO4)2 · 6H2OMon. 2/m : B2/b
25.11.6YavapaiiteKFe(SO4)2Mon. 2/m : B2/m
25.11.7KrausiteKFe(SO4)2 · H2OMon. 2/m : P21/m
25.11.8GoldichiteKFe(SO4)2 · 4H2OMon. 2/m : P21/b
25.11.9JarositeKFe3+ 3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
25.11.10VoltaiteK2Fe2+5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c
25.11.11UngemachiteK3Na8Fe(SO4)6(NO3)2 · 6H2OTrig. 3 : R3
25.11.12MetavoltineNa6K2FeFe6(SO4)12O2 · 18H2OTrig.
25.11.13Sabieite(NH4)Fe3+(SO4)2Trig. 3 2 : P3 2 1
25.11.14Ammoniojarosite(NH4)Fe3+3(SO4)2(OH)6Trig. 3m : R3m
25.11.15Clairite(NH4)2Fe3(SO4)4(OH)3 · 3H2OTric.
25.11.16Mohrite(NH4)2Fe(SO4)2 · 6H2OMon. 2/m : P21/b
25.11.17Lonecreekite(NH4)Fe3+(SO4)2 · 12H2OIso.
25.11.18Godovikovite(NH4)Al(SO4)2Trig. 3 2 : P3 2 1
25.11.19BotryogenMgFe3+(SO4)2(OH) · 7H2OMon. 2/m
25.11.23SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2OTrig. 3m : P3 1c
25.11.24Millosevichite(Al,Fe)2(SO4)3Tric.
25.11.25AluminocopiapiteAl2/3Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
25.11.26HalotrichiteFeAl2(SO4)4 · 22H2OMon. 2 : P2
25.11.27Idrizite(Mg,Fe)(Al,Fe)2(SO4)3(OH)2 · 15H2O or near
25.11.28LishizheniteZnFe2(SO4)4 · 14H2OTric. 1 : P1
25.11.29ZincovoltaiteK2Zn5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for SlavíkiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Klvana (1882) Böhm. Ges., Ber.: 272, [1881] (as Paracoquimbite).
Jirovsky and Ulrich (1926) Vešt. Stát. Geol. Úst. Českoslov. Rep.: 2: 345.
American Mineralogist (1928): 13: 492.
Meixner (1939) Centralblatt für Mineralogie, Geologie und Paleontologie, Stuttgart: 110.
Gordon (1941) Academy of Natural Science of Philadelphia, Notulae Naturae: 89.
Rost (1941) Ak. Česká Roz.: 51(8) - Min. Abstracts: 9: 204 (1946).
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.: 621-622.
Süsse, P. (1975): Structure and crystal chemistry of slavikite, NaMg2Fe5(SO4)7(OH)6.33H2O. Neues Jahrbuch für Mineralogie, Monatshefte 1975, 27-40. (In German.)
IMA Approvals September 2009 (IMA 07-D)
Parafiniuk, J., Bobrzycki, L., Woźniak, K. (2010): Slavikite - Revision of chemical composition and crystal structure. American Mineralogist, 95, 11-18.

Internet Links for SlavíkiteHide

Localities for SlavíkiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
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, 622, 1014.
Austria
 
  • Carinthia
    • Hohe Tauern
      • Hafner group
        • Pölla valley
          • Zanaischg (Zaneischg)
Meixner, H. (1950): Contributions to Mineralogy and Petrology 2(3), 195-209.
  • Lower Austria
    • Waldviertel
      • Mühldorf
        • Amstall
http://www.biologiezentrum.at/pdf_frei_remote/CAR_194_114_0217-0257.pdf
  • Salzburg
    • Werfen
      • Pöham
        • Fritzbach valley
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: 622; A. Strasser: Die Minerale Salzburgs, 1989
  • Styria
    • Graz
      • Wildon
        • Weißenegg
Bernhard, F. (2006): Slavikit, Rozenit, Gips, Jarosit und Pyrit vom Steinbruch Weisseneg bei Wildon, Steiermark. Der Steirische Mineralog, 20, 40.
    • Liesing - Palten valley
      • Rottenmann
        • Bärndorf
Kolitsch, U. (2014): 1992) Alpersit und Slavikit vom Prenterwinkelgraben bei Barndorf, Paltental, Steiermark. P. 137 in Niedermayr, G. et al. (2014): Neue Mineralfunde aus Österreich LXIII. Carinthia II, 204./124., 65-146.
    • Niedere Tauern
      • Hohentauern
        • Sunk
MEIXNER, H. (1980): Nr. 492. Slavikit und Pickeringit aus der Magnesitlagerstätte Hohentauern (Sunk) bei Trieben, Steiermark. In: MEIXNER, H. (1980): Neue Mineralfunde aus Österreich XXX. - Carinthia II, 170./90., 33-63. (in German); Kolitsch, U. & Brandstätter, F. (2006): 1465: Slavikit und Hexahydrit aus dem ehemaligen Magnesitbergbau Hohentauern bei Trieben, Steiermark. In: Niedermayr, G. et al. (2006): Neue Mineralfunde aus Österreich LV. Carinthia II, 196/116, 150-151.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Jílové (Eule)
Lapis 2000(4), 13-30
      • 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: 622; J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. V (2003)
J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. V (2003)
  • Moravia (Mähren; Maehren)
    • Olomouc Region
Petr Paulis (2001): Die interessanten mineralogische Fundstellen in Mahren und Schlesien; Kuttna, Kutná Hora p69-73
France
 
  • Occitanie
    • Aveyron
      • Conques
R. Pierrot, R. Pulou, P. Picot : "Inventaire Minéralogique de la France N° 7 : Aveyron", BRGM, 1977
      • Lunel
Handbook of Mineralogy
M. Lenfant : "Occurrence de slavikite dans le district minier du Kaymar (Aveyron)", Bull. Soc. Franç. Mineral. Cristal. , 1964, N°4, p 622
Germany
 
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    • Wurzbach
      • Lehesten
- Liebeskind, W., Lehrieder, E. (1992): Der Lehester Schieferbergbau, Der Aufschluss, Vol. 43, 139-153
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Plaka
          • Plaka Mines
Möckel, S. (2001): Wallkilldellit und weitere acht Neubestimmungen aus Lavrion, Griechenland. Lapis 26 (11), 43.
Branko Rieck Collection
Hungary
 
  • Borsod-Abaúj-Zemplén Co.
    • Bükk Mts
      • Miskolc
        • Ómassa
HOM Collection 2005
    • Rudabányai Mts
      • Rudabánya
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
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.
Italy
 
  • Aosta Valley
    • Saint-Marcel
Scaini G.,Mariani P.-I minerali d'Italia-Rizzoli Editore (1978)
Norway
 
  • Nord-Trøndelag
    • Levanger
      • Ytterøy
        • Hokstad
Selbekk R.S. (2010): Norges mineraler. En revidert utgave av Norges mineraler (Neumann 1985). Tapir-NGU-NHM.
  • Oppland
    • Lom
      • Bøverdalen
Neumann, H. (1985): Norges Mineraler. Norges Geologiske Undersøkelse Skrifter 68, p. 112.
Wilke, H.-J. (1976): Mineral-Fundstellen Band 4: Skandinavien. Chr. Weise Verlag, München, 370 pp. (p.124); Garmo, T.T. (1995): Norsk steinbok. 3.utgave. Universitetsforlaget
"Sigurd Stordal" Collection
    • Sel
      • Otta
Selbekk, R. S., Husdal, T. A. & Berg, H-J. (2010): Nye mineraler for Norge i 2010. Stein. 37 (4): 24-26
  • Sør-Trøndelag
    • Oppdal
Tor Witsø pers. com to Knut Edvard Larsen 2001; Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og steinsenter. Unpublished paper. http://vinstradalen.no/pdf/Mineraler.pdf
Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og Steinsenter. Unpublished paper. http://vinstradalen.no/pdf/Mineraler.pdf
Witsø, T. (2005): Mineraler i Vinstradalen, Oppdal. Norsk Bergverksmuseum, skrift 30: 72-73
  • Troms
    • Målselv
Nordrum, F. S. (2004): Nyfunn av mineraler i Norge 2003-2004. STEIN 31 (2), 36-44
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Rudawy Janowickie Mts
Siuda, R.: Wieściszowice. Otoczak, 2004, nr. 31, p. 58-65; Parafiniuk, J., Bobrzycki, L., Woźniak, K. (2010): Slavikite - Revision of chemical composition and crystal structure. American Mineralogist, 95, 11-18.
Romania
 
  • Harghita Co.
Edited by Szakáll-Kristály(2010):Mineralogy of Székelyland,Eastern Transsylvania,Romania
Slovakia
 
  • Bratislava Region
    • Pezinok Co.
      • Pezinok
Uher P., Michal S., Vitáloš J. (2000): The Pezinok antimony mine, Malé Karpaty Mountains, Slovakia. Mineral. Record 31, 153-162.
  • Košice Region
    • Gelnica Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
    • Košice Co.
      • Medzev (Metzenseifen)
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Rožňava Co.
Luigi Chiappino collection
Switzerland
 
  • Wallis (Valais)
    • Anniviers Valley
      • Saint-Luc
Ansermet, S. with contributions of Meisser, N. (2012): Mines et minéraux du Valais. II. Anniviers et Tourtemagne. Musée de la Nature (Sion), Musée Cantonal de Géologie (Lausanne), and Editions Porte-Plumes (Ayer), 374 pp.
USA
 
  • Nebraska
    • Nemaha Co.
      • Brownville
Robert Matthew Joeckel, K. D. Wally, S.A. Fischbein, P.R. Hanson (2007) Sulfate Mineral Paragenesis in Pennsylvanian Rocks and The Occurrence of Slavikite in Nebraska. REAT PLAINS RESEARCH 17:1 pages 17-33 (Spring 2007).
  • Tennessee
    • Sevier Co.
      • Great Smoky Mountains National Park
Coskren, T. D. & Lauf, R. J. (2000): The Minerals of Alum Cave Bluff, Great Smoky Mountains, Tennessee. Mineralogical Record, 31, 163-175.; Rocks & Min. (2007) 82:235; Flohr, M.J.K., Dillenburg, R.G., and Plumlee, G.S. (1995): Characterization of secondary minerals formed as the result of weathering of the Anakeesta Formation, Alum Cave, Great Smoky Mountains National Park, Tennessee: USGS Open File Report #95-477, 24 p.
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