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Zincoberaunite

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About ZincoberauniteHide

Formula:
ZnFe3+5(PO4)4(OH)5·6H2O
More detailed version: ZnFe3+2Fe3+3(PO4)4(OH)4·6H2O
Specific Gravity:
2.92 (Calculated)
Crystal System:
Monoclinic
Member of:
The Zn analogue of beraunite. Chemically similar especially to steinmetzite and wilhelmgümbelite.


Classification of ZincoberauniteHide

Approved
Approval Year:
2016
First Published:
2017

Physical Properties of ZincoberauniteHide

Density:
2.92 g/cm3 (Calculated)
Comment:
Dcalculated given for holotype, cotype gave 2.94

Optical Data of ZincoberauniteHide

Type:
Biaxial (-)
RI values:
nα = 1.745(5) nβ = 1.760(5) nγ = 1.770(5)
2V:
Measured: 80° (5)
Max Birefringence:
δ = 0.025
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High

Chemical Properties of ZincoberauniteHide

Formula:
ZnFe3+5(PO4)4(OH)5·6H2O

More detailed version: ZnFe3+2Fe3+3(PO4)4(OH)4·6H2O
IMA Formula:
ZnFe3+5(PO4)4(OH)5 · 6H2O

Crystallography of ZincoberauniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 20.837(2) Å, b = 5.1624(4) Å, c = 19.250(1) Å
β = 93.252(5)°
Ratio:
a:b:c = 4.036 : 1 : 3.729
Unit Cell V:
2067.3 ų
Z:
4
Morphology:
Radial or randomly oriented aggregates of flexible fibers up to 1.5 mm long and up to 3 μm thick.
Comment:
Cell parameters given for the holotype at room temperature

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.37 (100)
9.58 (32)
7.24 (26)
4.817 (22)
3.483 (14)
3.431 (14)
3.194 (15)
3.079 (33)

Occurrences of ZincoberauniteHide

Paragenetic Mode(s):

Type Occurrence of ZincoberauniteHide

General Appearance of Type Material:
Radial or randomly oriented aggregates of flexible fibers up to 1.5 mm long and up to 3 μm thick.
Place of Conservation of Type Material:
Collections of the Fersman Mineralogical Museum of Russian Academy of Sciences, Moscow, Russia (registration number 4828/1)
Empirical Formula of Type Material:
(Zn0.83Ca0.08Mg0.060.97(Fe3+4.88Al0.165.04(PO4)4.09(OH)4.78 *5.86H2O
Chemical Analysis of Type Material:
MgO0.28 %
CaO0.47 %
ZnO7.36 %
Al2O30.88 %
Fe2O342.42 %
P2O531.63 %
H2O16.2 %
Total:99.24 %
Associated Minerals at Type Locality:
Reference:
Chukanov, N.V., Pekov, I.V., Grey, I.E., Price, J.R., Britvin, S.N., Krzhizhanovskaya, M.G., Kampf, A.R., Dünkel, B., Keck, E., Belakovskiy, D.I., MacRae, C.M. (2017): Zincoberaunite, ZnFe3+5(PO4)4(OH)5⋅6H2O, a new mineral from the Hagendorf South pegmatite, Germany. Mineralogy and Petrology: 111: 351-361

Synonyms of ZincoberauniteHide

Relationship of Zincoberaunite to other SpeciesHide

Member of:
Other Members of this group:
BerauniteFe2+Fe3+5(PO4)4(OH)5 · 6H2OMon. 2/m : B2/b
EleonoriteFe3+6(PO4)4O(OH)4 · 6H2OMon. 2/m : B2/b
TvrdýiteFe2+Fe3+2 Al3(PO4)4(OH)5(H2O)4·2H2OMon. 2/m : B2/b

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 ZincoberauniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chukanov, N.V., Pekov, I.V., Belakovskiy, D.I., Britvin, S.N., Dünkel, B. (2016): Zincoberaunite, IMA No. 2015-117. CNMNC Newsletter No. 30, April 2016, page 412; Mineralogical Magazine: 80: 407–413
Chukanov, N.V., Pekov, I.V., Grey, I.E., Price, J.R., Britvin, S.N., Krzhizhanovskaya, M.G., Kampf, A.R., Dünkel, B., Keck, E., Belakovskiy, D.I., MacRae, C.M. (2017): Zincoberaunite, ZnFe3+5(PO4)4(OH)5⋅6H2O, a new mineral from the Hagendorf South pegmatite, Germany. Mineralogy and Petrology: 111: 351-361

Internet Links for ZincoberauniteHide

Localities for ZincoberauniteHide

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.
Germany (TL)
 
  • Bavaria
    • Upper Palatinate
      • Waidhaus
        • Hagendorf
Chukanov, N.V., Pekov, I.V., Belakovskiy, D.I., Britvin, S.N., Dünkel, B. (2016) Zincoberaunite, IMA 2015-117. CNMNC Newsletter No. 30, April 2016, page 412; Mineralogical Magazine: 80: 407–413.; Chukanov, N.V., Pekov, I.V., Grey, I.E., Price, J.R., Britvin, S.N., Krzhizhanovskaya, M.G., Kampf, A.R., Dünkel, B., Keck, E., Belakovskiy, D.I., MacRae, C.M. (2017): Zincoberaunite, ZnFe3+5(PO4)4(OH)5⋅6H2O, a new mineral from the Hagendorf South pegmatite, Germany. Mineralogy and Petrology: 111: 351-361
Mineral and/or Locality  
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