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Ammoniomagnesiovoltaite

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About AmmoniomagnesiovoltaiteHide

07034610014947722362186.jpg
Alessandro Giuseppe Antonio Anastasio Volta
Formula:
(NH4)2Mg2+5Fe3+3Al(SO4)12 · 18H2O
Crystal System:
Isometric
Member of:
Name:
The root species name, voltaite, is named after Count Alessandro Giuseppe Antonio Anastasio Volta (18 February 1745, Como, Italy - 5 March 1827, Como, Italy), physicist and pioneer in electricity who invented the electric battery. The prefix "ammoniomagnesio" alludes to the components of ammonium and magnesium substituting for potassium and ferrous iron in voltaite.
Voltaite Group.
Ammonium-magnesium-analogue of voltaite.


Classification of AmmoniomagnesiovoltaiteHide

Approved
Approval Year:
2009
7.CC.25

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
C : With medium-sized and large cations
29.9.1.4

29 : HYDRATED ACID AND NORMAL SULFATES
9 : Miscellaneous

Chemical Properties of AmmoniomagnesiovoltaiteHide

Formula:
(NH4)2Mg2+5Fe3+3Al(SO4)12 · 18H2O
IMA Formula:
(NH4)2Mg5Fe3+3Al(SO4)12 · 18H2O

Crystallography of AmmoniomagnesiovoltaiteHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3c
Cell Parameters:
a = 27.351(3) Å
Unit Cell V:
20,460.66 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.85 Å(24)
5.59 Å(100)
3.562 Å(66)
3.420 Å(72)
3.059 Å(22)
2.197 Å(22)
1.784 Å(25)
1.558 Å(25)

Type Occurrence of AmmoniomagnesiovoltaiteHide

Synonyms of AmmoniomagnesiovoltaiteHide

Relationship of Ammoniomagnesiovoltaite to other SpeciesHide

Member of:
Other Members of this group:
Ammoniovoltaite(NH4)2Fe2+5Fe3+3Al(SO4)12(H2O)18Iso. m3m (4/m 3 2/m) : Fd3c
MagnesiovoltaiteK2Mg5Fe3+3Al(SO4)12·18H2OIso. m3m (4/m 3 2/m) : Fd3c
PertlikiteK2(Fe2+,Mg)2Mg4Fe3+2Al(SO4)12 · 18H2OTet. 4/mmm (4/m 2/m 2/m) : I41/acd
VoltaiteK2Fe2+5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c
ZincovoltaiteK2Zn5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Ammoniomagnesiovoltaite associated with Tschermigite(NH4)Al(SO4)2 · 12H2O
1 photo of Ammoniomagnesiovoltaite associated with BassaniteCa(SO4) · 0.5H2O
1 photo of Ammoniomagnesiovoltaite associated with Sabieite(NH4)Fe3+(SO4)2
1 photo of Ammoniomagnesiovoltaite associated with Ammoniojarosite(NH4)Fe3+3(SO4)2(OH)6
1 photo of Ammoniomagnesiovoltaite associated with HalotrichiteFeAl2(SO4)4 · 22H2O
1 photo of Ammoniomagnesiovoltaite associated with Clairite(NH4)2Fe3(SO4)4(OH)3 · 3H2O

Related Minerals - Nickel-Strunz GroupingHide

7.CC.CobaltoblöditeNa2Co(SO4)2•4H2OMon. 2/m : P21/b
7.CC.AndychristyitePbCu2+Te6+O5(H2O)Tric. 1 : P1
7.CC.Ammoniovoltaite(NH4)2Fe2+5Fe3+3Al(SO4)12(H2O)18Iso. m3m (4/m 3 2/m) : Fd3c
7.CC.05KrausiteKFe(SO4)2 · H2OMon. 2/m : P21/m
7.CC.10TamarugiteNaAl(SO4)2 · 6H2OMon. 2/m
7.CC.15KaliniteKAl(SO4)2 · 11H2OMon. 2/m : B2/b
7.CC.15MendoziteNaAl(SO4)2 · 11H2OMon. 2/m
7.CC.20Lonecreekite(NH4)Fe3+(SO4)2 · 12H2OIso.
7.CC.20Alum-(K)KAl(SO4)2 · 12H2OIso. m3 (2/m 3) : Pa3
7.CC.20Alum-(Na)NaAl(SO4)2 · 12H2O
7.CC.20Tschermigite(NH4)Al(SO4)2 · 12H2OIso. m3 (2/m 3) : Pa3
7.CC.20LanmuchangiteTl+Al(SO4)2 · 12H2OIso. m3 (2/m 3) : Pa3
7.CC.25VoltaiteK2Fe2+5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c
7.CC.25ZincovoltaiteK2Zn5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c
7.CC.25PertlikiteK2(Fe2+,Mg)2Mg4Fe3+2Al(SO4)12 · 18H2OTet. 4/mmm (4/m 2/m 2/m) : I41/acd
7.CC.30KröhnkiteNa2Cu(SO4)2 · 2H2OMon. 2/m : P21/b
7.CC.35FerrinatriteNa3Fe(SO4)3 · 3H2OTrig. 3 : P3
7.CC.40GoldichiteKFe(SO4)2 · 4H2OMon. 2/m : P21/b
7.CC.45LöweiteNa12Mg7(SO4)13 · 15H2OTrig.
7.CC.50BlöditeNa2Mg(SO4)2 · 4H2OMon. 2/m
7.CC.50NickelblöditeNa2(Ni,Mg)(SO4)2 · 4H2O
7.CC.50ChangoiteNa2Zn(SO4)2 · 4H2OMon. 2/m : P21/b
7.CC.55LeoniteK2Mg(SO4)2 · 4H2OMon. 2/m
7.CC.55MereiteriteK2Fe(SO4)2 · 4H2OMon.
7.CC.60Boussingaultite(NH4)2Mg(SO4)2 · 6H2OMon. 2/m : P21/b
7.CC.60CyanochroiteK2Cu(SO4)2 · 6H2OMon. 2/m
7.CC.60Mohrite(NH4)2Fe(SO4)2 · 6H2OMon. 2/m : P21/b
7.CC.60Nickelboussingaultite(NH4)2Ni(SO4)2 · 6H2O
7.CC.60PicromeriteK2Mg(SO4)2 · 6H2OMon. 2/m
7.CC.65PolyhaliteK2Ca2Mg(SO4)4 · 2H2OTric. 1
7.CC.70LeightoniteK2Ca2Cu(SO4)4 · 2H2OTric.
7.CC.75AmarilliteNaFe(SO4)2 · 6H2OMon. 2/m : B2/b
7.CC.80KonyaiteNa2Mg(SO4)2 · 5H2OMon. 2/m : P21/b
7.CC.85WattevilleiteNa2Ca(SO4)2 · 4H2O (?)Orth.

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

29.9.1.1VoltaiteK2Fe2+5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c
29.9.1.2ZincovoltaiteK2Zn5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c
29.9.1.3PertlikiteK2(Fe2+,Mg)2Mg4Fe3+2Al(SO4)12 · 18H2OTet. 4/mmm (4/m 2/m 2/m) : I41/acd

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 AmmoniomagnesiovoltaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Szakáll, S., Sajó, I., Fehér, B., Bigi, S. (2012): Ammoniomagnesiovoltaite, a new voltaite-related mineral species from Pécs-Vasas, Hungary. Canadian Mineralogist, 50, 65-72.

Internet Links for AmmoniomagnesiovoltaiteHide

Localities for AmmoniomagnesiovoltaiteHide

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
 
  • Montana Province
    • Chiprovtsi Obshtina
Dimitrova, D.; Mladenova, V.; Hecht, L. (2020) Efflorescent Sulfate Crystallization on Fractured and Polished Colloform Pyrite Surfaces: A Migration Pathway of Trace Elements. Minerals10, 12.
Germany
 
  • North Rhine-Westphalia
    • Cologne
      • Aachen
        • Alsdorf
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.
Hungary (TL)
 
  • Baranya County
    • Pécs
GEODA 2010/1; Szakáll, S., Sajó, I., Fehér, B., Bigi, S. (2012): Ammoniomagnesiovoltaite, a new voltaite-related mineral species from Pécs-Vasas, Hungary. Canadian Mineralogist, 50, 65-72.
USA
 
  • Ohio
    • Huron Co.
      • Huron River
Dr Pete Richards
 
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