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Zincovoltaite

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Formula:
K2Zn5Fe33+Al(SO4)12 · 18H2O
System:
Isometric
Colour:
Green-black, oil-green
Lustre:
Resinous, Greasy
Hardness:
3
Member of:
Name:
Named as the zincian analogue of Voltaite.
Voltaite Group.


Classification of Zincovoltaite

IMA status:
Approved
Approval Year:
1985
Strunz 8th ed.:
6/C.14-60
Nickel-Strunz 10th (pending) ed.:
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 ed.:
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

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:
2.765 g/cm3 (Measured)    2.767 g/cm3 (Calculated)

Optical Data of Zincovoltaite

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

Chemical Properties of Zincovoltaite

Formula:
K2Zn5Fe33+Al(SO4)12 · 18H2O
Elements listed in formula:
Al, Fe, H, K, O, S, Zn - search for minerals with similar chemistry

Crystallography of Zincovoltaite

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

Type Occurrence of Zincovoltaite

Type Locality:
Xitieshan Mine, Xitieshan, Da Qaidam Co. (Dachaidan Co.), Haixi Autonomous Prefecture, Qinghai Province, China
Place of Conservation of Type Material:
Geological Museum, Ministry of Geology, Beijing, China
Geological Setting of Type Material:
Oxidation zone Fe-Pb-Zn sulfide deposit in arid climate.
Empirical Formula:
K2Zn5Fe33+Al(SO4)12 · 18H2O

Relationship of Zincovoltaite to other Species

Member of:
Voltaite Group
Other Members of Group:
Ammoniomagnesiovoltaite(NH4)2Mg52+Fe33+Al(SO4)12 · 18H2O
MagnesiovoltaiteK2Mg5Fe33+Al(SO4)12·18H2O
PertlikiteK2(Fe2+,Mg)2Mg4Fe23+Al(SO4)12 · 18H2O
VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Related Minerals - Nickel-Strunz Grouping):
7.CC.AndychristyitePbCu2+Te6+O5(H2O)
7.CC.05KrausiteKFe(SO4)2 · H2O
7.CC.10TamarugiteNaAl(SO4)2 · 6H2O
7.CC.15KaliniteKAl(SO4)2 · 11H2O Not confirmed
7.CC.15MendoziteNaAl(SO4)2 · 11H2O
7.CC.20Lonecreekite(NH4)Fe3+(SO4)2 · 12H2O
7.CC.20Alum-(K)KAl(SO4)2 · 12H2O
7.CC.20Alum-(Na)NaAl(SO4)2 · 12H2O
7.CC.20Tschermigite(NH4)Al(SO4)2 · 12H2O
7.CC.20LanmuchangiteTl+Al(SO4)2 · 12H2O
7.CC.25VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
7.CC.25PertlikiteK2(Fe2+,Mg)2Mg4Fe23+Al(SO4)12 · 18H2O
7.CC.25Ammoniomagnesiovoltaite(NH4)2Mg52+Fe33+Al(SO4)12 · 18H2O
7.CC.30KröhnkiteNa2Cu(SO4)2 · 2H2O
7.CC.35FerrinatriteNa3Fe(SO4)3 · 3H2O
7.CC.40GoldichiteKFe(SO4)2 · 4H2O
7.CC.45LöweiteNa12Mg7(SO4)13 · 15H2O
7.CC.50BlöditeNa2Mg(SO4)2 · 4H2O
7.CC.50NickelblöditeNa2(Ni,Mg)(SO4)2 · 4H2O
7.CC.50ChangoiteNa2Zn(SO4)2 · 4H2O
7.CC.50ZincblöditeNa2Zn(SO4)2 · 4H2O
7.CC.55LeoniteK2Mg(SO4)2 · 4H2O
7.CC.55MereiteriteK2Fe(SO4)2 · 4H2O
7.CC.60Boussingaultite(NH4)2Mg(SO4)2 · 6H2O
7.CC.60CyanochroiteK2Cu(SO4)2 · 6H2O
7.CC.60Mohrite(NH4)2Fe(SO4)2 · 6H2O
7.CC.60Nickelboussingaultite(NH4)2Ni(SO4)2 · 6H2O
7.CC.60PicromeriteK2Mg(SO4)2 · 6H2O
7.CC.65PolyhaliteK2Ca2Mg(SO4)4 · 2H2O
7.CC.70LeightoniteK2Ca2Cu(SO4)4 · 2H2O
7.CC.75AmarilliteNaFe(SO4)2 · 6H2O
7.CC.80KonyaiteNa2Mg(SO4)2 · 5H2O
7.CC.85WattevilleiteNa2Ca(SO4)2 · 4H2O (?)
Related Minerals - Hey's Index Grouping:
25.11.1NatrojarositeNaFe3(SO4)2(OH)6
25.11.2SideronatriteNa2Fe(SO4)2(OH) · 3H2O
25.11.3MetasideronatriteNa2Fe(SO4)2(OH) · H2O
25.11.4FerrinatriteNa3Fe(SO4)3 · 3H2O
25.11.5AmarilliteNaFe(SO4)2 · 6H2O
25.11.6YavapaiiteKFe(SO4)2
25.11.7KrausiteKFe(SO4)2 · H2O
25.11.8GoldichiteKFe(SO4)2 · 4H2O
25.11.9JarositeKFe3+ 3(SO4)2(OH)6
25.11.10VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
25.11.11UngemachiteK3Na8Fe(SO4)6(NO3)2 · 6H2O
25.11.12MetavoltineNa6K2FeFe6(SO4)12O2 · 18H2O
25.11.13Sabieite(NH4)Fe3+(SO4)2
25.11.14Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
25.11.15Clairite(NH4)2Fe3(SO4)4(OH)3 · 3H2O
25.11.16Mohrite(NH4)2Fe(SO4)2 · 6H2O
25.11.17Lonecreekite(NH4)Fe3+(SO4)2 · 12H2O
25.11.18Godovikovite(NH4)Al(SO4)2
25.11.19BotryogenMgFe3+(SO4)2(OH) · 7H2O
25.11.21Slavíkite(H3O+)3Mg6Fe15(SO4)21(OH)18 · 98H2O
25.11.23SturmaniteCa6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12 · 25H2O
25.11.24Millosevichite(Al,Fe)2(SO4)3
25.11.25AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
25.11.26HalotrichiteFeAl2(SO4)4 · 22H2O
25.11.27Idrizite(Mg,Fe)(Al,Fe)2(SO4)3(OH)2 · 15H2O or near
25.11.28LishizheniteZnFe2(SO4)4 · 14H2O

Other Names for Zincovoltaite

Synonyms:

IMA1985-059

Name in Other Languages:

Other Information

Other Information:
Slowly soluble in water. Decomposes in air.
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 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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    • Localities for Zincovoltaite

    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.
    (TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
     
    • Qinghai Province
      • Haixi Autonomous Prefecture
        • Da Qaidam Co. (Dachaidan Co.)
          • Xitieshan
    		Li Wanmao, Chen Guoying, and Sun Shurong (1987): Acta Mineralogica Sinica (4), 307-312.
    Mineral and/or Locality  
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