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Zincovoltaite (Цинковольтаит)

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Zinkovoltait
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Zinkovoltait

pseudowürfelige Kristalle von Zinkovoltait, Muzhijevo, Berehove, Berehivskyi, Zakarpattia, Ukraine; BB < 5 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-06-07
Locality: Muzhievo / Beregovo Erzfeld / Berehove / Transkarpatien, Oblast / Ukraine

Collectors Summary

Color grünlichschwarz
Streak color graugrün
Hardness (Mohs) 3
Solubility +++ HCl, ++ H2O, zersetzt sich langsam an der Luft
Crystal System kubisch, Fd3c

Chemism

Chem­ical formula

K2(Zn,Fe2+,Mn)5Fe33+Al(SO4)12·18H2O

Chem­ical com­po­si­tion

Aluminium, Eisen, Mangan, Zink, Kalium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 2057.21325515 u; Number of atoms in the formula: 125

Info

Empirical formula:

K2(Zn0.6Fe0.3Mn0.1)5Fe3Al(SO4)12·18H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.76

36

28.80

1.0079470

36.2860920

Oxygen

O

51.33

66

52.80

15.9994300

1,055.9623800

Aluminium

Al

1.31

1

0.80

26.9815382

26.9815382

Sulfur

S

18.70

12

9.60

32.0655000

384.7860000

Potassium

K

3.80

2

1.60

39.0983100

78.1966200

Manganese

Mn

1.34

0.5

0.40

54.9380499

27.4690250

Iron

Fe

12.22

4.5

3.60

55.8452000

251.3034000

Zinc

Zn

9.54

3

2.40

65.4094000

196.2282000

Anal­y­sis wt%

K2O : 4.11, CaO : 0.69, ZnO : 14.61, FeO : 3.20, MnO : 1.20, Fe2O3 : 11.21, Al2O3 : 2.50, SO3 : 46.93, H2O : 15.69 (Ref: Acta Mineralogica Sinica 87)

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

Lapis Clas­sifica­tion

VI/C.14-060

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
14: Mittelgroße und sehr große Kationen

Clas­sifica­tion by Hölzel

7.CD.610

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
D: Sulfates, C medium + large
6: Voltaite-Group

Dana 8th edi­tion

29.09.01.02

29: Hydrated Acid and Sulfates
09: Hydrated Acid and Sulfates with miscellaneous formulae
01: Voltaite Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Voltaite group

Optical Properties

Color

grünlichschwarz

Streak color

graugrün

RI value α / ω / n

1.605

Ri mean

1.605

2V angle

Isotropisch

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

228

Space Group

Fd3c

Cell param­e­ters a (Å)

27.180

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°

Z

16

Volumne (ų)

20079.29

X-Ray Pow­der Diffrac­tion

5.54(50),
4.26(30),
3.53(70),
3.39(100),
3.13(40),
3.03(30),
2.84(30)

XRD chart Zincovoltaite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3

VHN (Hard­ness Vick­ers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.756 (gemessen)

2.722 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HCl, ++ H2O, zersetzt sich langsam an der Luft

Preface

Author (Name, Year)

Li & Chen & Sun, 1987

References

Acta Mineralogica Sinica (in Chinese) 7 (1987), 307

IMA group assignments

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

Ammoniomagnesiovoltaite

(NH4)2Mg5Fe3+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

Voltaite

K2Fe52+Fe43+(SO4)12·18 H2O

kubisch : m3m : Fd3c

7.CC.25

Zincovoltaite

K2(Zn,Fe2+,Mn)5Fe33+Al(SO4)12·18H2O

kubisch : m3m : Fd3c

7.CC.25

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

Alum-(Na)

NaAl(SO4)2·12H2O

kubisch : m3 : Pa3

VI/C.14-010

Alum-(K)

KAl(SO4)2·12H2O

kubisch : m3 : Pa3

VI/C.14-020

Tschermigite

(NH4)Al(SO4)2·12H2O

kubisch : m3 : Pa3

VI/C.14-030

Lonecreekite

(NH4)(Fe3+,Al)(SO4)2·12H2O

kubisch : m3 : Pa3

VI/C.14-040

Lanmuchangite

TlAl[SO4]2·12H2O

kubisch : m3 : Pa3

VI/C.14-045

Pertlikite

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

tetragonal : 4mm : I41cd

VI/C.14-048

Voltaite

K2Fe52+Fe43+(SO4)12·18 H2O

kubisch : m3m : Fd3c

VI/C.14-050

Zincovoltaite

K2(Zn,Fe2+,Mn)5Fe33+Al(SO4)12·18H2O

kubisch : m3m : Fd3c

VI/C.14-060

Ammoniomagnesiovoltaite

(NH4)2Mg5Fe3+3Al(SO4)12·18H2O

kubisch : m3m : Fd3c

VI/C.14-070

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

Voltaite

K2Fe52+Fe43+(SO4)12·18 H2O

kubisch : m3m : Fd3c

7.CD.600

Pertlikite

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

tetragonal : 4mm : I41cd

7.CD.605

Ammoniomagnesiovoltaite

(NH4)2Mg5Fe3+3Al(SO4)12·18H2O

kubisch : m3m : Fd3c

7.CD.607

Zincovoltaite

K2(Zn,Fe2+,Mn)5Fe33+Al(SO4)12·18H2O

kubisch : m3m : Fd3c

7.CD.610

Metavoltine

K2Na6Fe2+Fe63+(SO4)12O2·18 H2O

trigonal : 3 : P3

7.CD.620

Löweite

Na12Mg7(SO4)13·15H2O

trigonal : 3 : R3

7.CD.640

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Voltaite

K2Fe52+Fe43+(SO4)12·18 H2O

kubisch : m3m : Fd3c

29.09.01.01

Zincovoltaite

K2(Zn,Fe2+,Mn)5Fe33+Al(SO4)12·18H2O

kubisch : m3m : Fd3c

29.09.01.02

Zircophyllite

K2NaFe2+7Zr2(Si4O12)2O2(OH)4F

triklin : 1 : P1

29.09.02.01

Bazhenovite

Ca8S5(S2O3)(OH)12·20H2O

monoklin : 2/m : P21/c

29.09.03.01

Other languages

Spanish

Cincovoltaíta

German

Zincovoltait

English

Zincovoltaite

French

Zincovoltaite

Russian

Цинковольтаит

Japanese

亜鉛ボルタ石

Alternative Name

Italian

Zincovoltaita

German

Zinkovoltait

IMA Number

IMA 1985-059

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

German pages

DeWikiPedia - search for: Zincovoltait
Google-Bilder-Suche - search for: Zincovoltait
Mineralogisch-Petrographisches-Institut Hamburg - search for: Zincovoltait

English pages

Mindat - search for: Zincovoltaite
Webmineral - search for:Zincovoltaite
Handbook-of-Mineralogy - search for: Zincovoltaite
RRUFF - Raman, XRD and other mineral data - search for: Zincovoltaite
RRUFF - References and PDF downloads - search for: Zincovoltaite
American-Mineralogist-Crystal-Structure-Database - search for: Zincovoltaite
Athena - search for: Zincovoltaite

Russian pages

Webmineral.ru - search for: Цинковольтаит

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Zincovoltait
Bosse - search for: Zincovoltait

Locations with GPS information




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