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Ammoniovoltaite

Collectors Summary

Crystal System kubisch, Fd3c

Chemism

Chem­ical formula

(NH4)2Fe2+5Fe3+3Al(SO4)12(H2O)18

Chem­ical com­po­si­tion

Aluminium, Eisen, Sauerstoff, Schwefel, Stickstoff, Wasserstoff

Unit weight: 1986.8546262 u; Number of atoms in the formula: 133

Info

Empirical formula:

(NH4)2Fe5Fe3Al(SO4)12(H2O)18

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.23

44

33.08

1.0079470

44.3496680

Nitrogen

N

1.41

2

1.50

14.0067200

28.0134400

Oxygen

O

53.15

66

49.62

15.9994300

1,055.9623800

Aluminium

Al

1.36

1

0.75

26.9815382

26.9815382

Sulfur

S

19.37

12

9.02

32.0655000

384.7860000

Iron

Fe

22.49

8

6.02

55.8452000

446.7616000

Strunz 9th edi­tion incl. updates

7.CC.25

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
C: Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O
C: Mit mittelgroßen und großen [Kationen]
25:Voltait-Gruppe

IMA sta­tus

anerkannt - CNMNC Newsletter 38 - Juni 2017

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Voltaite group

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

228

Space Group

Fd3c

Cell param­e­ters a (Å)

27.250(1)

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Volumne (ų)

20234.828

Kristall struc­ture

Struktur bestimmt

X-Ray Pow­der Diffrac­tion

9.67(74),
7.90(56),
5.58(84),
3.560(100),
3.418(100),
3.057(28),
2.866(37),
2.091(33)

XRD chart Ammoniovoltaite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

(Co-)Type locality

(Co-)Type locality

Russland/Ferner Osten, Föderationskreis/Kamtschatka Oblast/Kambalny Vulkanischer Grat/Severo-Kambalny Geothermalfeld

Type mate­r­ial

Fersman Mineralogical Museum, Russian Academy of Sciences, Leninsky prospect 18 korp 2, Moskau119071, Russland

Col­lec­tion number of type mate­r­ial

5030/1

Preface

Author (Name, Year)

Elena S. Zhitova, Oleg I. Siidra, Vladimir V. Shilovskikh, Dmitry I. Belakovsky, Anton A. Nuzhdaev und Rezeda M. Ismagilova (2017)

References

Zhitova, E.S., Siidra, O.I., Shilovskikh, V.V., Belakovsky, D.I., Nuzhdaev, A.A. and Ismagilova, R.M. (2017) Ammoniovoltaite, IMA 2017-022. CNMNC Newsletter No. 38, August 2017, page 1035; Mineralogical Magazine, 81, 1033–1038

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Voltaite

K2Fe2+5Fe3+3Al(SO4)12·18H2O

kubisch : m3m : Fd3c

7.CC.25

Pertlikite

K2(Fe2+,Mg)2(Mg,Fe3+)4Fe3+2Al(SO4)12·18H2O

tetragonal : 4mm : I41cd

7.CC.25

Ammoniomagnesiovoltaite

(NH4)2Mg5Fe3+3Al(SO4)12·18H2O

kubisch : m3m : Fd3c

7.CC.25

Zincovoltaite

K2(Zn,Fe2+,Mn)5Fe33+Al(SO4)12·18H2O

kubisch : m3m : Fd3c

7.CC.25

Ammoniovoltaite

(NH4)2Fe2+5Fe3+3Al(SO4)12(H2O)18

kubisch : m3m : Fd3c

7.CC.25

Magnesiovoltaite

K2Mg5Fe3+3Al(SO4)12·18H2O

kubisch : m3m : Fd3c

7.CC.25

Other languages

German

Ammoniovoltait

English

Ammoniovoltaite

IMA Number

IMA 2017-022

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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English pages

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