Lykova, Inna; Rowe, Ralph; Poirier, Glenn; Friis, Henrik; Helwig, Kate (2024) Mckelveyite group minerals – Part 4: Alicewilsonite-(YLa), Na2Sr2YLa(CO3)6 ⋅ 3H2O, a new lanthanum-dominant species from the Paratoo mine, Australia. European Journal of Mineralogy, 36 (2). 301-310 doi:10.5194/ejm-36-301-2024
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Mckelveyite group minerals – Part 4: Alicewilsonite-(YLa), Na2Sr2YLa(CO3)6 ⋅ 3H2O, a new lanthanum-dominant species from the Paratoo mine, Australia | ||
| Journal | European Journal of Mineralogy | ||
| Authors | Lykova, Inna | Author | |
| Rowe, Ralph | Author | ||
| Poirier, Glenn | Author | ||
| Friis, Henrik | Author | ||
| Helwig, Kate | Author | ||
| Year | 2024 (March 22) | Volume | 36 |
| Page(s) | 301-310 | Issue | 2 |
| Publisher | Copernicus GmbH | ||
| URL | |||
| DOI | doi:10.5194/ejm-36-301-2024Search in ResearchGate | ||
| Generate Citation Formats | |||
| Original Entry | Lykova, Inna; Rowe, Ralph; Poirier, Glenn; Friis, Henrik; Helwig, Kate (2024) Mckelveyite group minerals – Part 4: Alicewilsonite-(YLa), Na2Sr2YLa(CO3)6 · 3H2O, a new lanthanum-dominant species from the Paratoo mine, Australia. European Journal of Mineralogy, 36 (2). 301-310 doi:10.5194/ejm-36-301-2024 | ||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 18583163 | Long-form Identifier | mindat:1:5:18583163:9 |
| GUID | 0 | ||
| Full Reference | Lykova, Inna; Rowe, Ralph; Poirier, Glenn; Friis, Henrik; Helwig, Kate (2024) Mckelveyite group minerals – Part 4: Alicewilsonite-(YLa), Na2Sr2YLa(CO3)6 ⋅ 3H2O, a new lanthanum-dominant species from the Paratoo mine, Australia. European Journal of Mineralogy, 36 (2). 301-310 doi:10.5194/ejm-36-301-2024 | ||
| Plain Text | Lykova, Inna; Rowe, Ralph; Poirier, Glenn; Friis, Henrik; Helwig, Kate (2024) Mckelveyite group minerals – Part 4: Alicewilsonite-(YLa), Na2Sr2YLa(CO3)6 ⋅ 3H2O, a new lanthanum-dominant species from the Paratoo mine, Australia. European Journal of Mineralogy, 36 (2). 301-310 doi:10.5194/ejm-36-301-2024 | ||
| In | (2024) European Journal of Mineralogy Vol. 36 (2). Schweizerbart | ||
| Abstract/Notes | Abstract. The new mckelveyite group mineral, alicewilsonite-(YLa), Na2Sr2YLa(CO3)6 ⋅ 3H2O, was found together with kamphaugite-(Y), paratooite-(Y), bastnäsite-(La), and decrespignyite-(Y) coating along fractures in dolomite at the Paratoo copper mine, South Australia, Australia. It occurs as pale pink to colourless pseudohexagonal tabular crystals up to 150 µm in size. The streak is white; the lustre is vitreous. The mineral has no cleavage. Dcalc is 3.37 g cm−3. Alicewilsonite-(YLa) is optically biaxial (−), α = 1.556(2), β= 1.582(2), γ= 1.592(2), 2V (meas.) = 60(2)°, 2V (calc.) = 63° (589 nm). The IR spectrum is reported. The composition (wt %, average of seven analyses) is Na2O 7.43, CaO 2.00, SrO 18.43, BaO 1.64, Y2O3 9.59, La2O3 11.74, Pr2O3 1.29, Nd2O3 5.74, Sm2O3 0.44, Eu2O3 0.09, Gd2O3 0.95, Dy2O3 1.15, Ho2O3 0.25, Er2O3 0.89, Yb2O3 0.29, CO2 29.78, H2O 6.18, total 97.88. The empirical formula calculated on the basis of six cations with 3 H2O molecules is as follows: Na2.10Ca0.31Sr1.56Ba0.10Y0.74La0.63Pr0.07 Nd0.30Sm0.03Eu0.01Gd0.04Dy0.05Ho0.01Er0.04 Yb0.01(CO3)5.92(H2O)3. The mineral is triclinic, P1, a= 8.9839(2), b= 8.9728(3), c= 6.7441(2) Å, α= 102.812(2)°, β= 116.424(2)°, γ= 60.128(2)°, and V= 422.17(2) Å3 and Z= 1. The strongest reflections of the powder X-ray diffraction pattern [d,Å(I)(hkl)] are 6.03(43)(001), 4.355(100)(11‾0, 2‾1‾1, 120), 4.020(30)(1‾11, 210, 1‾2‾1), 3.188(29)(2‾1‾2, 11‾1, 121), 2.819(96)(002, 1‾12, 211, 1‾2‾2), 2.592(40)(3‾01, 030, 3‾3‾1), 2.228(33)(2‾21, 4‾2‾1, 2‾4‾1). 2.011(36)(2‾22, 003, 420, 2‾4‾2), 1.9671(32)(3‾03, 301, 03‾2, 032, 3‾3‾3, 331). The crystal structure was solved and refined from single-crystal X-ray diffraction data (R1= 0.058). | ||
Map of Localities
Mineral Pages
| Mineral | Citation Details |
|---|---|
| Alicewilsonite-(YLa) |
Mineral Occurrences
See Also
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