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Zincovoltaite

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Formula:
K
 
2
Zn
 
5
Fe
3+
3
Al(SO
 
4
)
 
12
· 18H
 
2
O
System:IsometricColour:Green-black, oil-green
Lustre:Resinous, GreasyHardness:3
Member of:Voltaite Group
Name:Named as the zincian analogue of Voltaite.

Classification of Zincovoltaite

IMA status:Approved 1985
Strunz 8th edition ID:6/C.14-60
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:29.9.1.2

29 : HYDRATED ACID AND NORMAL SULFATES
9 : Miscellaneous
Hey's CIM Ref.:25.11.29

25 : Sulphates
11 : Sulphates of Fe and other metals
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Type Occurrence of Zincovoltaite

Type Locality:Xitieshan Mine, Da Qaidam Co. (Dachaidan Co.), Haixi Autonomous Prefecture, Qinghai Province, China
Place of Conservation of Type Material:Geological Museum, Ministry of Geology, Beijing, China
Year of Discovery:1985
Geological Setting of type material:Oxidation zone Fe-Pb-Zn sulfide deposit in arid climate.

Physical Properties of Zincovoltaite

Lustre:Resinous, Greasy
Diaphaneity (Transparency):Transparent, Translucent
Colour:Green-black, oil-green
Streak:Grey-green
Hardness (Mohs):3
Tenacity:Brittle
Fracture:Conchoidal
Density (measured):2.765 g/cm3
Density (calculated):2.767 g/cm3

Crystallography of Zincovoltaite

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Fd3c {F41/d 3 2/c}
Cell Parameters:a = 27.18(1) Å
Unit Cell Volume:V 20,079.29 ų (Calculated from Unit Cell)
Z:16

Optical Data of Zincovoltaite

Type:Isotropic
RI values: n = 1.605(3)
Maximum Birefringence:δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:Moderate
Comments:Anomalously uniaxial

Chemical Properties of Zincovoltaite

Formula:
K
 
2
Zn
 
5
Fe
3+
3
Al(SO
 
4
)
 
12
· 18H
 
2
O
Simplified for copy/paste:K2Zn5Fe3+3Al(SO4)12·18H2O
Essential elements:Al, Fe, H, K, O, S, Zn
All elements listed in formula:Al, Fe, H, K, O, S, Zn
Empirical Formula:
K
 
2
Zn
 
5
Fe
3+
3
Al(SO
 
4
)
 
12
· 18H
 
2
O

Relationship of Zincovoltaite to other Species

Member of:Voltaite Group
Other Members of Group:

- +
Ammoniomagnesiovoltaite
(NH
 
4
)
 
2
Mg
2+
5
Fe
3+
3
Al(SO
 
4
)
 
12
· 18H
 
2
O
Pertlikite
K
 
2
(Fe
2+
 
,Mg)
 
2
Mg
 
4
Fe
3+
2
Al(SO
 
4
)
 
12
· 18H
 
2
O
Voltaite
K
 
2
Fe
2+
5
Fe
3+
3
Al(SO
 
4
)
 
12
· 18H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
7.CC.05Krausite
KFe(SO
 
4
)
 
2
· H
 
2
O
7.CC.10Tamarugite
NaAl(SO
 
4
)
 
2
· 6H
 
2
O
7.CC.15Kalinite
KAl(SO
 
4
)
 
2
· 11H
 
2
O Not confirmed
7.CC.15Mendozite
NaAl(SO
 
4
)
 
2
· 11H
 
2
O
7.CC.20Lonecreekite
(NH
 
4
)Fe
3+
 
(SO
 
4
)
 
2
· 12H
 
2
O
7.CC.20Alum-(K)
KAl(SO
 
4
)
 
2
· 12H
 
2
O
7.CC.20Alum-(Na)
NaAl(SO
 
4
)
 
2
· 12H
 
2
O
7.CC.20Tschermigite
(NH
 
4
)Al(SO
 
4
)
 
2
· 12H
 
2
O
7.CC.20Lanmuchangite
Tl
+
 
Al(SO
 
4
)
 
2
· 12H
 
2
O
7.CC.25Voltaite
K
 
2
Fe
2+
5
Fe
3+
3
Al(SO
 
4
)
 
12
· 18H
 
2
O
7.CC.25Pertlikite
K
 
2
(Fe
2+
 
,Mg)
 
2
Mg
 
4
Fe
3+
2
Al(SO
 
4
)
 
12
· 18H
 
2
O
7.CC.25Ammoniomagnesiovoltaite
(NH
 
4
)
 
2
Mg
2+
5
Fe
3+
3
Al(SO
 
4
)
 
12
· 18H
 
2
O
7.CC.30Kröhnkite
Na
 
2
Cu(SO
 
4
)
 
2
· 2H
 
2
O
7.CC.35Ferrinatrite
Na
 
3
Fe(SO
 
4
)
 
3
· 3H
 
2
O
7.CC.40Goldichite
KFe(SO
 
4
)
 
2
· 4H
 
2
O
7.CC.45Löweite
Na
 
12
Mg
 
7
(SO
 
4
)
 
13
· 15H
 
2
O
7.CC.50Blödite
Na
 
2
Mg(SO
 
4
)
 
2
· 4H
 
2
O
7.CC.50Nickelblödite
Na
 
2
(Ni,Mg)(SO
 
4
)
 
2
· 4H
 
2
O
7.CC.50Changoite
Na
 
2
Zn(SO
 
4
)
 
2
· 4H
 
2
O
7.CC.50Zincblödite
7.CC.55Leonite
K
 
2
Mg(SO
 
4
)
 
2
· 4H
 
2
O
7.CC.55Mereiterite
K
 
2
Fe(SO
 
4
)
 
2
· 4H
 
2
O
7.CC.60Boussingaultite
(NH
 
4
)
 
2
Mg(SO
 
4
)
 
2
· 6H
 
2
O
7.CC.60Cyanochroite
K
 
2
Cu(SO
 
4
)
 
2
· 6H
 
2
O
7.CC.60Mohrite
(NH
 
4
)
 
2
Fe(SO
 
4
)
 
2
· 6H
 
2
O
7.CC.60Nickelboussingaultite
(NH
 
4
)
 
2
Ni(SO
 
4
)
 
2
· 6H
 
2
O
7.CC.60Picromerite
K
 
2
Mg(SO
 
4
)
 
2
· 6H
 
2
O
7.CC.65Polyhalite
K
 
2
Ca
 
2
Mg(SO
 
4
)
 
4
· 2H
 
2
O
7.CC.70Leightonite
K
 
2
Ca
 
2
Cu(SO
 
4
)
 
4
· 2H
 
2
O
7.CC.75Amarillite
NaFe(SO
 
4
)
 
2
· 6H
 
2
O
7.CC.80Konyaite
Na
 
2
Mg(SO
 
4
)
 
2
· 5H
 
2
O
7.CC.85Wattevilleite
Na
 
2
Ca(SO
 
4
)
 
2
· 4H
 
2
O (?)
Related Minerals - Hey's Index Grouping:

- +
25.11.1Natrojarosite
NaFe
 
3
(SO
 
4
)
 
2
(OH)
 
6
25.11.2Sideronatrite
Na
 
2
Fe(SO
 
4
)
 
2
(OH) · 3H
 
2
O
25.11.3Metasideronatrite
Na
 
2
Fe(SO
 
4
)
 
2
(OH) · H
 
2
O
25.11.4Ferrinatrite
Na
 
3
Fe(SO
 
4
)
 
3
· 3H
 
2
O
25.11.5Amarillite
NaFe(SO
 
4
)
 
2
· 6H
 
2
O
25.11.6Yavapaiite
KFe(SO
 
4
)
 
2
25.11.7Krausite
KFe(SO
 
4
)
 
2
· H
 
2
O
25.11.8Goldichite
KFe(SO
 
4
)
 
2
· 4H
 
2
O
25.11.9Jarosite
KFe
3+
 
 
3
(SO
 
4
)
 
2
(OH)
 
6
25.11.10Voltaite
K
 
2
Fe
2+
5
Fe
3+
3
Al(SO
 
4
)
 
12
· 18H
 
2
O
25.11.11Ungemachite
K
 
3
Na
 
8
Fe(SO
 
4
)
 
6
(NO
 
3
)
 
2
· 6H
 
2
O
25.11.12Metavoltine
Na
 
6
K
 
2
FeFe
 
6
(SO
 
4
)
 
12
O
 
2
· 18H
 
2
O
25.11.13Sabieite
(NH
 
4
)Fe
3+
 
(SO
 
4
)
 
2
25.11.14Ammoniojarosite
(NH
 
4
)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
25.11.15Clairite
(NH
 
4
)
 
2
Fe
 
3
(SO
 
4
)
 
4
(OH)
 
3
· 3H
 
2
O
25.11.16Mohrite
(NH
 
4
)
 
2
Fe(SO
 
4
)
 
2
· 6H
 
2
O
25.11.17Lonecreekite
(NH
 
4
)Fe
3+
 
(SO
 
4
)
 
2
· 12H
 
2
O
25.11.18Godovikovite
(NH
 
4
)Al(SO
 
4
)
 
2
25.11.19Botryogen
MgFe
3+
 
(SO
 
4
)
 
2
(OH) · 7H
 
2
O
25.11.21Slavíkite
(H
 
3
O
+
 
)
 
3
Mg
 
6
Fe
 
15
(SO
 
4
)
 
21
(OH)
 
18
· 98H
 
2
O
25.11.23Sturmanite
Ca
 
6
(Fe
3+
 
,Al,Mn
3+
 
)
 
2
(SO
 
4
)
 
2
[B(OH)
 
4
](OH)
 
12
· 25H
 
2
O
25.11.24Millosevichite
(Al,Fe)
 
2
(SO
 
4
)
 
3
25.11.25Aluminocopiapite
Al
 
2/3
Fe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
· 20H
 
2
O
25.11.26Halotrichite
FeAl
 
2
(SO
 
4
)
 
4
· 22H
 
2
O
25.11.27Idrizite
(Mg,Fe)(Al,Fe)
 
2
(SO
 
4
)
 
3
(OH)
 
2
· 15H
 
2
O or near
25.11.28Lishizhenite
ZnFe
 
2
(SO
 
4
)
 
4
· 14H
 
2
O

Other Names for Zincovoltaite

Synonyms:
IMA1985-059
Other Languages:
German:Zincovoltait
Zinkovoltait
Spanish:Zincovoltaita

Other Information

Other Information:Slowly soluble in water. Decomposes in air.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Zincovoltaite

Reference List:

- +
Li Wanmao, Chen Guoying, and Sun Shurong (1987) Zincovoltaite - A new sulfate mineral. Acta Mineralogica Sinica (4), 307-12 (in Chinese with English abstract).

Yang Hexiong and Fu Pingqiu (1988) A further study of zincobotryogen. Acta Mineralogica Sinica 7(4), 223-224 (in Chinese with English abstract). - American Mineralogist (1990), 75, 244-45 (abstract).

Majzlan, J., Schlicht, H., Wierzbicka-Wieczorek, M., Giester, G., Pöllmann, H., Brömme, B., Doyle, S., Buth, G., Bender Koch, C. (2013): A contribution to the crystal chemistry of the voltaite group: solid solutions, Mössbauer and infrared spectra, and anomalous anisotropy. Mineralogy and Petrology, 107, 221-233.

Internet Links for Zincovoltaite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Zincovoltaite details from Handbook of Mineralogy (PDF)
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  • Localities for Zincovoltaite

    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    China
     
    • Qinghai Province
      • Haixi Autonomous Prefecture
        • Da Qaidam Co. (Dachaidan Co.)
    Li Wanmao, Chen Guoying, and Sun Shurong (1987): Acta Mineralogica Sinica (4), 307-312.
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