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uramarsite

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Journal Article

Uramphite, (NH 4 )(UO 2 )(PO 4 )·3H 2 O, from the second world occurrence, Beshtau uranium deposit, Northern Caucasus, Russia: Crystal-structure refinement, infrared spectroscopy, and relation to uramarsite Available to Purchase

Vladislav V. Gurzhiy, Anatoly V. Kasatkin, Nikita V. Chukanov, Jakub Plášil
Published: 01 February 2025
American Mineralogist (2025) 110 (2): 319–327.
DOI: https://doi.org/10.2138/am-2024-9313
... is explained here by the resonance splitting of a group of NH 4 + cations occurring around the fourfold axis at close distances from each other. Uramphite is related to uramarsite, (NH 4 )(UO 2 )(AsO 4 )·3H 2 O. The two minerals have similar crystal structures and IR spectra. However...
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Image
IR absorption spectra of (a) uramphite from Beshtau and (b) uramarsite holotype sample, [(NH4)1.15(H3O)0.72Na0.09]Σ1.96(UO2)2.02[(AsO4)1.22(PO4)0.78]Σ2.00·6.09H2O, from the Bota-Burum uranium deposit, Kazakhstan (Sidorenko et al. 2007).

IR absorption spectra of ( a ) uramphite from Beshtau and ( b ) uramarsite ... Available to Purchase

Published: 01 February 2025
Figure 3. IR absorption spectra of ( a ) uramphite from Beshtau and ( b ) uramarsite holotype sample, [(NH 4 ) 1.15 (H 3 O) 0.72 Na 0.09 ] Σ1.96 (UO 2 ) 2.02 [(AsO 4 ) 1.22 (PO 4 ) 0.78 ] Σ2.00 ·6.09H 2 O, from the Bota-Burum uranium deposit, Kazakhstan ( Sidorenko et al. 2007 ).
Image
Crystal structure of uramarsite: (a) the structure projected along the [010]; (b) an arrangement of H2O, H3O+ (red spheres) and NH4+ (blue spheres) molecules in the interlayer space superimposed on the uranyl phosphate-arsenate layer. Legend: see Figure 5; As tetrahedra = dark-gray. (Color online.)

Crystal structure of uramarsite: ( a ) the structure projected along the [0... Available to Purchase

Published: 01 February 2025
Figure 6. Crystal structure of uramarsite: ( a ) the structure projected along the [010]; ( b ) an arrangement of H 2 O, H 3 O + (red spheres) and NH 4 + (blue spheres) molecules in the interlayer space superimposed on the uranyl phosphate-arsenate layer. Legend: see Figure 5
Journal Article

New Mineral Names Available to Purchase

Glenn Poirier, T. Scott Ercit, Kimberly T. Tait, Paula C. Piilonen, Ralph Rowe
Published: 01 February 2009
American Mineralogist (2009) 94 (2-3): 399–408.
DOI: https://doi.org/10.2138/am.2009.538
... Stereochimica Inorganica of Università degli Studi di Milano (2007–2). G.P. G.A. Sidorenko, N.V. Chukanov, N.I. Chistyakova, G.I. Bebeshko, A.E. Zadov, and I.S. Naumova (2007) Uramarsite (NH 4 ,H 3 O) 2 (UO 2 ) 2 (AsO 4 ,PO 4 ) 2 ·6H 2 O: a new mineral of the metaautunite group. Dokl. Akad. Nauk 415...
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Journal Article

Markeyite, a new calcium uranyl carbonate mineral from the Markey mine, San Juan County, Utah, USA Available to Purchase

Anthony R. Kampf, Jakub Plášil, Anatoly V. Kasatkin, Joe Marty, Jiří Čejka
Published: 01 October 2018
Mineralogical Magazine (2018) 82 (5): 1089–1100.
DOI: https://doi.org/10.1180/minmag.2017.081.085
..., mahnertite, malachite, marécottite, melanterite, metakahlerite, metasideronatrite, natrojarosite, plášilite, posnjakite, pseudojohannite, redcanyonite, römerite, sabugalite, schröckingerite, sideronatrite, sulfur, thénardite, thérèsemagnanite, uramarsite, uranospathite, wetherillite, zippeite and other...
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Journal Article

CURIES: Compendium of uranium Raman and infrared experimental spectra Available to Purchase

Tyler L. Spano, Travis A. Olds, Marshall McDonnell, Robert Smith, Jennifer L. Niedziela, Andrew Miskowiec, Roger Kapsimalis, Ashley E. Shields
Published: 01 December 2023
American Mineralogist (2023) 108 (12): 2219–2233.
DOI: https://doi.org/10.2138/am-2022-8738
... ·8H 2 O] ( Locock and Burns 2003 ), uramarsite [(NH 4 ,H 3 O) 2 (UO 2 ) 2 (AsO 4 ,PO 4 ) 2 ·6H 2 O] ( Chukanov 2013 ; Sidorenko et al. 2007 ), and walpurgite [(BiO) 4 (UO 2 )(AsO 4 ) 2 ·2H 2 O] ( Frost et al. 2006f ; Mereiter 1982b ) make up the calculated average uranyl arsenate spectrum. Less...
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Journal Article

New Mineral Names , Free

Dmitriy I. Belakovskiy, Fernando Cámara, Yulia Uvarova
Published: 01 May 2019
American Mineralogist (2019) 104 (5): 779–784.
DOI: https://doi.org/10.2138/am-2019-NMN104510P
..., natrojarosite, plášilite, posnjakite, pseudojohannite, redcanyonite, römerite, sabugalite, schröckingerite, sideronatrite, sulfur, thénardite, thérèsemagnanite, uramarsite, uranospathite, wetherillite, zippeite, and other potentially new minerals (under investigation). Markeyite forms pale yellowish-green...
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Journal Article

Magnesioleydetite and straβmannite, two new uranyl sulfate minerals with sheet structures from Red Canyon, Utah Available to Purchase

Anthony R. Kampf, Jakub Plášil, Anatoly V. Kasatkin, Barbara P. Nash, Joe Marty
Published: 28 May 2018
Mineralogical Magazine (2019) 83 (3): 349–360.
DOI: https://doi.org/10.1180/mgm.2018.118
..., metakahlerite, nováčekite-II, uramarsite and at least one additional potentially new Mg uranyl sulfate. At the Green Lizard mine, straβmannite is found on matrix comprised of mainly subhedral to euhedral, equant quartz crystals that are recrystallised counterparts of the original grains of the sandstone; some...
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Parageneses and Crystal Chemistry of Arsenic Minerals Available to Purchase

Juraj Majzlan, Petr Drahota, Michal Filippi
Published: 01 January 2014
Reviews in Mineralogy and Geochemistry (2014) 79 (1): 17–184.
DOI: https://doi.org/10.2138/rmg.2014.79.2
...  uramarsite (NH 4 ,H 3 O) 2 (UO 2 ) 2 [(As,P)O 4 ] 2 ·6H 2 O  uranospinite Ca(UO 2 ) 2 (AsO 4 ) 2 ·10H 2 O  zeunerite Cu(UO 2 ) 2 (AsO 4 ) 2 ·12H 2 O  walpurgite Bi 4 O 4 (UO 2 )(AsO 4 ) 2 ·2H 2 O Arsenites-arsenates  seelite Mg[(UO 2 )(AsO 3 ) 0.7 (AsO 4 ) 0.3 ] 2 >7H 2 O...
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Journal Article

A Revised and Expanded Structure Hierarchy of Natural and Synthetic Hexavalent Uranium Compounds Available to Purchase

Aaron J. Lussier, Rachel A.K. Lopez, Peter C. Burns
Published: 01 January 2016
The Canadian Mineralogist (2016) 54 (1): 177–283.
DOI: https://doi.org/10.3749/canmin.1500078
... of uramarsite . Crystallography Reports 53 , 771 – 774 . Reis, A.H., Hoekstra, H.R., Gebert, E., & Peterson, S.W. (1976...
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Book Chapter

MINERALOGY AND CRYSTALLOGRAPHY OF URANIUM Available to Purchase

Author(s)
Sergey V. Krivovichev, Jakub Plášil
Book: Uranium: Cradle to Grave
Series: Short Courses
Publisher: Mineralogical Association of Canada
Published: 01 January 2013
DOI: 10.3749/9780921294689.ch03
EISBN: 978-0-921294-68-9
... 17.64 / 90 5 NH 4 [(UO 2 )(AsO 4 )](H 2 O) 3 uramarsite Q 7.19 / 90 7.19 / 90 9.15 / 90 6 Uranyl phosphates with large divalent cations Ca[(UO 2 )(PO 4 )] 2 (H 2 O) 6.5(?) meta-autunite P 4/ nmm 6.99 / 90 6.99 / 90 8.43 / 90 7 Ca[(UO 2 )(PO 4 )] 2 (H 2 O) 11 Autunite...
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