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Godovikovite

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About GodovikoviteHide

Formula:
(NH4)Al(SO4)2
Type material Fe-bearing.
Hardness:
2
Crystal System:
Trigonal
Name:
For Russian mineralogist and Director of the Fersman Mineralogical Museum, Moscow, Russia, Aleksandr Aleksandrovich Godovikov (1927-1995).
Isostructural with:
The Al analogue of sabieite and the NH4 analogue of steklite.

Hydrates to tschermigite at room temperature. Slightly hygroscopic; dissolves slowly in water.
May occur in burning coal dumps as a dehydration product of tschermigite.


Classification of GodovikoviteHide

Approved
Approval Year:
1987
7.AC.20

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
C : With medium-sized and large cations
28.3.5.2

28 : ANHYDROUS ACID AND NORMAL SULFATES
3 : AXO4
25.11.18

25 : Sulphates
11 : Sulphates of Fe and other metals

Physical Properties of GodovikoviteHide

Hardness:

Optical Data of GodovikoviteHide

Type:
Uniaxial (+)
RI values:
nω = 1.572 nε = 1.581
Max Birefringence:
δ = 0.009
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low

Chemical Properties of GodovikoviteHide

Formula:
(NH4)Al(SO4)2

Type material Fe-bearing.

Crystallography of GodovikoviteHide

Crystal System:
Trigonal
Class (H-M):
3 2 - Trapezohedral
Space Group:
P3 2 1
Cell Parameters:
a = 4.75 Å, c = 8.30(1) Å
Ratio:
a:c = 1 : 1.747
Unit Cell V:
162.18 ų (Calculated from Unit Cell)
Z:
1

Type Occurrence of GodovikoviteHide

Synonyms of GodovikoviteHide

Other Language Names for GodovikoviteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Millosevichite5 photos of Godovikovite associated with Millosevichite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.AC.Aluminopyracmonite(NH4)3Al(SO4)3Trig. 3 : R3
7.AC.Acmonidesite(NH4,K,Pb)8NaFe2+4(SO4)5Cl8Orth. 2 2 2 : C2 2 21
7.AC.05VanthoffiteNa6Mg(SO4)4Mon. 2/m : P21/b
7.AC.08Pyracmonite(NH4)3Fe(SO4)3Trig. 3m : R3c
7.AC.10Efremovite(NH4)2Mg2(SO4)3Iso.
7.AC.10LangbeiniteK2Mg2(SO4)3Iso. 2 3 : P21 3
7.AC.10ManganolangbeiniteK2Mn2(SO4)3Iso. 2 3 : P21 3
7.AC.15YavapaiiteKFe(SO4)2Mon. 2/m : B2/m
7.AC.15EldfelliteNaFe3+(SO4)2Mon. 2/m : B2/m
7.AC.20Sabieite(NH4)Fe3+(SO4)2Trig. 3 2 : P3 2 1
7.AC.25ThénarditeNa2SO4Orth. mmm (2/m 2/m 2/m) : Fddd
7.AC.30MetathénarditeNa2SO4Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
7.AC.35Aphthitalite(K,Na)3Na(SO4)2Trig.

Related Minerals - Dana Grouping (8th Ed.)Hide

28.3.5.1Sabieite(NH4)Fe3+(SO4)2Trig. 3 2 : P3 2 1

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.
25.11.19BotryogenMgFe3+(SO4)2(OH) · 7H2OMon. 2/m
25.11.21Slavíkite(H3O+)3Mg6Fe15(SO4)21(OH)18 · 98H2OTrig. 3 : R3
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)3Trig. 3 : R3
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 GodovikoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Shcherbakova, Y.P., L.F. Bazhenova, and B.V. Chesnokov (1988): Godovikovite
– NH4(Al, Fe)(SO4)2, a new ammonium-bearing sulfate. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestv 117, 208-211 (in Russian).
American Mineralogist: 75: 241-242 (Abs.)
Boujelben, M., Toumi, M. & Mhiri, T. (2008): X-ray structure determination of NH4Al(SO4)2. Annales De Chimie - Science Des Materiaux 33, 379-386.

Internet Links for GodovikoviteHide

Localities for GodovikoviteHide

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.
Bulgaria
 
  • Blagoevgrad Oblast
Elena Shcherbakova, Larisa Nesheva (2010) Ammonium sulfates from coal mine Pirin REVIEW OF THE BULGARIAN GEOLOGICAL SOCIETY, vol. 71, part 1–3, , p. 17–23
China
 
  • Inner Mongolia Autonomous Region
    • Wuhai League (Wuhai Prefecture)
      • Wuda District
Geological Society of America Abstracts with Programs, Vol. 39, No. 2, p. 81
Am Min 90:1729-1739
Czech Republic
 
  • 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).
      • Libušin
Hyrsl J., Korbel P.; Tschechien & Slowakei, Mineralien und Fundstellen. Bode Verlag, 2008. Page 268-273
  • Hradec Králové Region
    • Trutnov (Trautenau)
      • Radvanice
Sejkora, J., Kotrlý, M.: Sulfáty vysokoteplotní oxidační minerální asociace; hořící odval dolu Kateřina v Radvanicích v Čechách. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2001, roč. 9, s. 261-267.
Germany
 
  • North Rhine-Westphalia
    • Aachen
      • Alsdorf
Sindern, S., Warnsloh, J. M., Witzke, T., Havenith, V., Neef, R. & Etoundi, Y. (2005): Mineralogy and geochemistry of vents formed on the burning coal mining waste dump Anna I, Alsdorf, Germany. Eur. J. Mineral. 17, Beih. 1, 130; Witzke, T., de Wit, F., Kolitsch, U. and Blaß, G. (2015): Mineralogy of the Burning Anna I Coal Mine Dump, Alsdorf, Germany. Chapter 7, pp. 203-240, in: Stracher, G. B., Prakash, A. and Sokol, E. V.: Coal and Peat Fires: A Global Perspective, Volume 3: Case Studies - Coal Fires, Elsevier, 786 pp.
  • Saxony
    • Dresden
      • Freital
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
Hungary
 
  • Baranya Co.
    • Mecsek Mts
      • Pécs
Szakáll, S. & Kristály, F. (2008): Ammonium sulphates from burning coal dumps at Komló and Pécs-Vasas, Mecsek Mts., South Hungary. Mineralogia, Special Papers, Vol. 32 (2nd Central-European Mineralogical Conference 2008 (CEMC)), 154.
Italy
 
  • Campania
    • Phlegrean Volcanic Complex
      • Naples Province
        • Phlegrean Fields
          • Pozzuoli
            • Solfatara di Pozzuoli
- Russo, M., Campostrini, I., Demartin, F. (2017): I minerali di origine fumarolica dei Campi Flegrei: Solfatara di Pozzuoli (Napoli) e dintorni. Micro, 15, 122-192.
  • Sicily
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
          • Vulcano Island
Campostrini I. et al - Vulcano: ein aussergewohnlicher Fundpunkt von neuen und seltenen Mineralien - MineralienWelt 2010 - nr.3 - p.40-57
Japan
 
  • Hokkaido
    • Sorachi Province
      • Mikasa City
Shimobayashi, N., Ohnishi, M., & Miura, H. (2011). Ammonium sulfate minerals from Mikasa, Hokkaido, Japan: boussingaultite, godovikovite, efremovite and tschermigite. Journal of mineralogical and petrological sciences, 106(3), 158-163.
Poland
 
  • Upper Silesia (Śląskie)
    • Rybnik District
      • Czerwionka-Leszczyny Commune
Parafiniuk, J. and Kruszewski, Ł. (2009): Ammonium minerals from burning coal-dumps of the Upper Silesian Coal Basin (Poland). Geol. Quart., 53, 341-356. http://www.pgi.gov.pl/images/stories/G_Q/53_3/parafiniuk.pdf (esp. p. 347)]
    • Upper Silesian Coal Basin
      • Rybnik Coal Area
        • Radlin
Ł. Kruszewski PXRD data
    • Wodzisław Śląski District
Kruszewski, Ł., Fabiańska, M.J., Ciesielczuk, J., Segit, T., Orłowski, R., Motyliński, R., Kusy, D., Moszumańska, I., 2018. First multi-tool exploration of a gas-condensate-pyrolysate system from the environment of burning coal mine heaps: An in situ FTIR and laboratory GC and PXRD study based on Upper Silesian materials. Science of the Total Environment, 640-641 (1 November 2018), 1044-1071; https://doi.org/10.1016/j.scitotenv.2018.05.319
Russia (TL)
 
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Chelyabinsk coal basin
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Cesnokov, B., M. Kotrly, and T. Nisanbajev (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
Tajikistan
 
  • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
    • Zeravshan Range
      • Yagnob River
D.I.Belakovskiy data
http://rruff.geo.arizona.edu/doclib/hom/godovikovite.pdf.
USA
 
  • Pennsylvania
    • Schuylkill Co.
Finkelman, R. B. & Mrose, M. E. (1977): Downeyite, the first verified natural occurrence of selenium dioxide. American Mineralogist 62, 316-320.
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