Zincoberaunite
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About Zincoberaunite
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:
Classification of Zincoberaunite
Physical Properties of Zincoberaunite
Density:
2.92 g/cm3 (Calculated)
Comment:
Dcalculated given for holotype, cotype gave 2.94
Optical Data of Zincoberaunite
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.
and does not take into account mineral colouration.
Surface Relief:
High
Chemical Properties of Zincoberaunite
Formula:
ZnFe3+5(PO4)4(OH)5·6H2O
More detailed version: ZnFe3+2Fe3+3(PO4)4(OH)4·6H2O
More detailed version: ZnFe3+2Fe3+3(PO4)4(OH)4·6H2O
IMA Formula:
ZnFe3+5(PO4)4(OH)5 · 6H2O
Crystallography of Zincoberaunite
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)°
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 Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 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 Zincoberaunite
Paragenetic Mode(s):
Type Occurrence of Zincoberaunite
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:
(Zn0.83Ca0.08Mg0.06)Σ0.97(Fe3+4.88Al0.16)Σ5.04(PO4)4.09(OH)4.78 *5.86H2O
Chemical Analysis of Type Material:
| MgO | 0.28 % |
|---|---|
| CaO | 0.47 % |
| ZnO | 7.36 % |
| Al2O3 | 0.88 % |
| Fe2O3 | 42.42 % |
| P2O5 | 31.63 % |
| H2O | 16.2 % |
| 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 Zincoberaunite
Relationship of Zincoberaunite to other Species
Member of:
Other Members of this group:
| Beraunite | Fe2+Fe3+5(PO4)4(OH)5 · 6H2O | Mon. 2/m : B2/b |
| Eleonorite | Fe3+6(PO4)4O(OH)4 · 6H2O | Mon. 2/m : B2/b |
| Tvrdýite | Fe2+Fe3+2 Al3(PO4)4(OH)5(H2O)4·2H2O | Mon. 2/m : B2/b |
Other Information
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 Zincoberaunite
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 Zincoberaunite
mindat.org URL:
https://www.mindat.org/min-47608.html
Please feel free to link to this page.
Please feel free to link to this page.
External Links:
Mineral Dealers:
Localities for Zincoberaunite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Germany (TL) | |
| 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 |
Hagendorf South Pegmatite, Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany