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znucalite

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Journal Article
Published: 01 May 2024
American Mineralogist (2024) 109 (5): 949–959.
...Gwladys Steciuk; Juraj Majzlan; Jan Rohlíček; Radek Škoda; Jiří Sejkora; Jakub Plášil Abstract Znucalite is a zinc uranyl-carbonate mineral that was until recently only partially characterized with a formula originally given as Zn 12 Ca(UO 2 )(CO 3 ) 3 (OH) 22 ·4H 2 O, with an unknown crystal...
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Raman spectrum of <span class="search-highlight">znucalite</span> (split at 2000 cm –1 ).
Published: 01 May 2024
Figure 2. Raman spectrum of znucalite (split at 2000 cm –1 ).
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The group of bent very thin tabular crystals of <span class="search-highlight">znucalite</span>, BSE photo.
Published: 01 May 2024
Figure 1. The group of bent very thin tabular crystals of znucalite, BSE photo.
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LeBail refinements of <span class="search-highlight">znucalite</span> from X-ray powder data using the two report...
Published: 01 May 2024
Figure 5. LeBail refinements of znucalite from X-ray powder data using the two reported settings: triclinic ( Ondruš et al. 1990 ) (blue), and orthorhombic ( Chiappero and Sarp 1993 ) (gray), and the monoclinic cell used in this work (red). The triclinic one refines as a = 10.5455(7) Å, b
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<span class="search-highlight">Znucalite</span> structure with ZnO 6  octahedra (gray), ZnO 4  tetrahedra (purple...
Published: 01 May 2024
Figure 7. Znucalite structure with ZnO 6 octahedra (gray), ZnO 4 tetrahedra (purple), UO 8 hexagonal bipyramids (yellow), CaO 8 (blue), and CO 3 (brown). ( a ) Topology of the Zn 5 (OH) 7 (CO 3 ) single-layer. ( b ) (100) and (010) projection of the structure with the composition of the two
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Rietveld refinement of <span class="search-highlight">znucalite</span> from X-ray powder data using the monoclini...
Published: 01 May 2024
Figure 9. Rietveld refinement of znucalite from X-ray powder data using the monoclinic settings: a = 10.7655(6) Å, b = 6.3291(2) Å, c = 25.5407(6) Å, β = 100.851(5)°. N obs /N all = 1191/1195, R obs /wR obs = 0.078/0.1063; R all /wR all = 0.0725/0.1063; GOF = 24.51%, R p
Journal Article
Published: 21 June 2024
American Mineralogist (2024)
..., and znucalite, paulišite is the fourth mineral containing Ca, Zn, and (CO 3 ) groups as species-defining elements. Its origin is related to the supergene alteration of ore deposits following the mining activity, probably at low T and basic pH conditions. The mineral and its name, honouring the Czech...
Journal Article
Published: 01 March 2017
American Mineralogist (2017) 102 (3): 595–611.
...) ( Frondel 1952 ; Burns 2001 ? Zdenékite NaPbCu 5 (AsO 4 ) 4 Cl5H 2 O Cap Garonne mine, Le Pradet, France (type) ( Chiappero and Sarp 1995 ) ? Znucalite CaZn 11 (UO 2 )(CO 3 ) 3 (OH) 20 ·4H 2 O Lill mine, Příbram, Czech Republic (type) ( Ondruš et al. 1990) ? D. Minerals found in slag...
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Journal Article
Published: 01 April 2003
American Mineralogist (2003) 88 (4): 686–693.
... solved (rabbittite, widenmannite, znucalite, and many others). The holotype material of čejkaite is deposited in the mineralogical collection of the National Museum, Prague, Czech Republic (the acquisition number is P1p 17/99). The new mineral and mineral name have been approved by the Commission...
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