Rewitzer, Christian, Hochleitner, Rupert, Grey, Ian E., Kampf, Anthony R., Boer, Stephanie, MacRae, Colin M., Mumme, William G., Wilson, Nicholas C., Davidson, Cameron J. (2024) Sperlingite, (H2O)K(Mn2+Fe3+)(Al2Ti)(PO4)4[O(OH)][(H2O)9(OH)]⋅4H2O, a new paulkerrite-group mineral, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany. Mineralogical Magazine, 88 (5). 576-584 doi:10.1180/mgm.2024.40
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Sperlingite, (H2O)K(Mn2+Fe3+)(Al2Ti)(PO4)4[O(OH)][(H2O)9(OH)]⋅4H2O, a new paulkerrite-group mineral, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany | ||
| Journal | Mineralogical Magazine | ||
| Authors | Rewitzer, Christian | Author | |
| Hochleitner, Rupert | Author | ||
| Grey, Ian E. | Author | ||
| Kampf, Anthony R. | Author | ||
| Boer, Stephanie | Author | ||
| MacRae, Colin M. | Author | ||
| Mumme, William G. | Author | ||
| Wilson, Nicholas C. | Author | ||
| Davidson, Cameron J. | Author | ||
| Year | 2024 (May 20) | Volume | 88 |
| Page(s) | 576-584 | Issue | 5 |
| Publisher | Mineralogical Society | ||
| URL | |||
| DOI | doi:10.1180/mgm.2024.40Search in ResearchGate | ||
| Generate Citation Formats | |||
| Original Entry | Rewitzer, C., Hochleitner, R., Grey, I. E., Kampf, A. R., Boer, S., MacRae, C. M., … Davidson, C. J. (2024). Sperlingite, (H2O)K(Mn2+Fe3+)(Al2Ti)(PO4)4[O(OH)][(H2O)9(OH)]⋅4H2O, a new paulkerrite-group mineral, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany. Mineralogical Magazine, 1–27. doi:10.1180/mgm.2024.40 | ||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 17389835 | Long-form Identifier | mindat:1:5:17389835:4 |
| GUID | 0 | ||
| Full Reference | Rewitzer, Christian, Hochleitner, Rupert, Grey, Ian E., Kampf, Anthony R., Boer, Stephanie, MacRae, Colin M., Mumme, William G., Wilson, Nicholas C., Davidson, Cameron J. (2024) Sperlingite, (H2O)K(Mn2+Fe3+)(Al2Ti)(PO4)4[O(OH)][(H2O)9(OH)]⋅4H2O, a new paulkerrite-group mineral, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany. Mineralogical Magazine, 88 (5). 576-584 doi:10.1180/mgm.2024.40 | ||
| Plain Text | Rewitzer, Christian, Hochleitner, Rupert, Grey, Ian E., Kampf, Anthony R., Boer, Stephanie, MacRae, Colin M., Mumme, William G., Wilson, Nicholas C., Davidson, Cameron J. (2024) Sperlingite, (H2O)K(Mn2+Fe3+)(Al2Ti)(PO4)4[O(OH)][(H2O)9(OH)]⋅4H2O, a new paulkerrite-group mineral, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany. Mineralogical Magazine, 88 (5). 576-584 doi:10.1180/mgm.2024.40 | ||
| In | (2024, October) Mineralogical Magazine Vol. 88 (5). Mineralogical Society | ||
| Abstract/Notes | Abstract Sperlingite, (H2O)K(Mn2+Fe3+)(Al2Ti)(PO4)4[O(OH)][(H2O)9(OH)]⋅4H2O, is a new monoclinic member of the paulkerrite group, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany. It was found in corrosion pits of altered zwieselite, in association with columbite, hopeite, leucophosphite, mitridatite, scholzite, orange–brown zincoberaunite sprays and tiny green crystals of zincolibethenite. Sperlingite forms colourless prisms with pyramidal terminations, which are predominantly only 5 to 20 μm in size, rarely to 60 μm and frequently are multiply intergrown and are overgrown with smaller crystals. The crystals are flattened on {010} and slightly elongated along [100] with forms {010}, {001} and {111}. Twinning occurs by rotation about c. The calculated density is 2.40 g⋅cm–3. Optically, sperlingite crystals are biaxial (+), α = 1.600(est), β = 1.615(5), γ = 1.635(5) (white light) and 2V (calc.) = 82.7°. The optical orientation is X = b, Y = c and Z = a. Neither dispersion nor pleochroism were observed. The empirical formula from electron microprobe analyses and structure refinement is A 1[(H2O)0.96K0.04]Σ1.00 A 2(K0.52□0.48)Σ1.00 M 1(Mn2+0.60Mg0.33Zn0.29Fe3+0.77)Σ1.99 M 2+M3(Al1.05Ti4+1.33Fe3+0.62)Σ3.00(PO4)4 X [F0.19(OH)0.94O0.87]Σ2.00[(H2O)9.23(OH)0.77]Σ10.00⋅3.96H2O. Sperlingite has monoclinic symmetry with space group P21/c and unit-cell parameters a = 10.428(2) Å, b = 20.281(4) Å, c = 12.223(2) Å, β = 90.10(3)°, V = 2585.0(8) Å3 and Z = 4. The crystal structure was refined using synchrotron single-crystal data to wRobs = 0.058 for 5608 reflections with I > 3σ(I). Sperlingite is the first paulkerrite-group mineral to have co-dominant divalent and trivalent cations at the M1 sites; All other reported members have Mn2+ or Mg dominant at M1. Local charge balance for Fe3+ at M1 is achieved by H2O → OH– at H2O coordinated to M1. | ||
Map of Localities
Mineral Pages
| Mineral | Citation Details |
|---|---|
| Sperlingite |
Mineral Occurrences
| Locality | Mineral(s) |
|---|---|
| Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany | ⓘ Sperlingite |
See Also
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