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protocaseyite

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Journal Article

Protocaseyite, a new decavanadate mineral containing a [Al 4 (OH) 6 (H 2 O) 12 ] 6+ linear tetramer, a novel isopolycation

Anthony R. Kampf, Mark A. Cooper, John M. Hughes, Chi Ma, William H. Casey, Frank C. Hawthorne, Joe Marty
Published: 01 June 2022
American Mineralogist (2022) 107 (6): 1181–1189.
DOI: https://doi.org/10.2138/am-2022-8059
...Anthony R. Kampf; Mark A. Cooper; John M. Hughes; Chi Ma; William H. Casey; Frank C. Hawthorne; Joe Marty Abstract Protocaseyite, [Al 4 (OH) 6 (H 2 O) 12 ][V 10 O 28 ]·8H 2 O, is a new mineral (IMA2020-090) occurring in low-temperature, post-mining, secondary mineral assemblages at the Burro mine...
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<span class="search-highlight">Protocaseyite</span> crystals; field of view 0.4 mm across.

Protocaseyite crystals; field of view 0.4 mm across.

Published: 01 June 2022
Figure 1. Protocaseyite crystals; field of view 0.4 mm across.
Image
The [V 10 O 28 ] 6– decavanadate polyanion in <span class="search-highlight">protocaseyite</span> with the “nake...

The [V 10 O 28 ] 6– decavanadate polyanion in protocaseyite with the “nake...

Published: 01 June 2022
Figure 8. The [V 10 O 28 ] 6– decavanadate polyanion in protocaseyite with the “naked” O3 and O4 atoms indicated with arrows. Note that the “naked” O11 atom in postite in is the same position as the O4 atom in protocaseyite. V atoms = black circles; [1]-coordinated O atoms = red circles; [2
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Crystal drawing of <span class="search-highlight">protocaseyite</span>; clinographic projection in non-standard o...

Crystal drawing of protocaseyite; clinographic projection in non-standard o...

Published: 01 June 2022
Figure 2. Crystal drawing of protocaseyite; clinographic projection in non-standard orientation, [10 1 ] vertical.
Image
The structure of <span class="search-highlight">protocaseyite</span> projected down [10 1 ]. The O atoms of the i...

The structure of protocaseyite projected down [10 1 ]. The O atoms of the i...

Published: 01 June 2022
Figure 7. The structure of protocaseyite projected down [10 1 ]. The O atoms of the interstitial (H 2 O) groups are shown as red circles. The outline of the unit cell is shown in green.
Image
The [V 10 O 28 ] 6− – [Al 4 (OH) 6 (H 2 O) 12 ] 6+ layer in <span class="search-highlight">protocaseyite</span>...

The [V 10 O 28 ] 6− – [Al 4 (OH) 6 (H 2 O) 12 ] 6+ layer in protocaseyite...

Published: 01 June 2022
Figure 6. The [V 10 O 28 ] 6− – [Al 4 (OH) 6 (H 2 O) 12 ] 6+ layer in protocaseyite projected down [121]. Hydrogen bonds are shown as red lines. The view is approximately parallel to the plane of the layer. Interstitial H 2 O groups are not shown.
Image
Complex cations involving Al 3+ in decavanadate minerals; (a) the monomer ...

Complex cations involving Al 3+ in decavanadate minerals; (a) the monomer ...

Published: 04 March 2022
Fig. 7. Complex cations involving Al 3+ in decavanadate minerals; (a) the monomer [Al(H 2 O) 6 ] 3+ in hughesite; various flatimers in minerals [(b) = postite; (c) = protocaseyite; (d) = caseyite]; (e) synthetic [Al 13 (OH) 24 (H 2 O) 24 ]Cl 15 (H 2 O) 13 . Blue circles = (H 2 O), red circles
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The 88 vanadyl bonds for the [1]-coordinated O atoms of 11 decavanadate min...

The 88 vanadyl bonds for the [1]-coordinated O atoms of 11 decavanadate min...

Published: 01 June 2022
( Kampf and Steele 2008 ), okieite ( Kampf et al. 2020c ), pascoite ( Hughes et al. 2005 ), postite ( Kampf et al. 2012 ), protocaseyite (this study), and wernerbaurite ( Kampf et al. 2016b ).
Journal Article

Bonding between the decavanadate polyanion and the interstitial complex in pascoite-family minerals

Frank C. Hawthorne, John M. Hughes, Mark A. Cooper, Anthony R. Kampf
Published: 04 March 2022
The Canadian Mineralogist (2022) 60 (2): 341–359.
DOI: https://doi.org/10.3749/canmin.2100051
...Fig. 7. Complex cations involving Al 3+ in decavanadate minerals; (a) the monomer [Al(H 2 O) 6 ] 3+ in hughesite; various flatimers in minerals [(b) = postite; (c) = protocaseyite; (d) = caseyite]; (e) synthetic [Al 13 (OH) 24 (H 2 O) 24 ]Cl 15 (H 2 O) 13 . Blue circles = (H 2 O), red circles...
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Nitroplumbite, [Pb 4 (OH) 4 ](NO 3 ) 4 , a New Mineral with Cubane-Like [Pb 4 (OH) 4 ] 4+ Clusters from the Burro Mine, San Miguel County, Colorado, USA

Anthony R. Kampf, John M. Hughes, Barbara P. Nash, Joe Marty
Published: 24 August 2022
The Canadian Mineralogist (2022) 60 (5): 787–795.
DOI: https://doi.org/10.3749/canmin.2200009
... ), ammoniozippeite ( Kampf et al . 2018b ), bobfinchite ( Olds et al . 2021 ), burroite ( Kampf et al . 2017b ), caseyite ( Kampf et al . 2020a ), metamunirite ( Evans, 1991 ), metauroxite ( Kampf et al . 2020b ), okieite ( Kampf et al . 2020c ), protocaseyite ( Kampf et al . 2022 ), and uroxite ( Kampf et...
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Journal Article

Newsletter 60

Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, Stuart J. Mills
Published: 01 June 2021
Mineralogical Magazine (2021) 85 (3): 454–458.
DOI: https://doi.org/10.1180/mgm.2021.30
..., registration number 5691/1 (cotype) How to cite: Vymazalová, A., Welch, M.D., Laufek, F., Kozlov, V.V., Stanley, C.J. and Plášil, J. (2021) Sluzhenikinite, IMA 2020-089. CNMNC Newsletter 60; Mineralogical Magazine , 85, https://doi.org/10.1180/mgm.2021.30 IMA No. 2020-090 Protocaseyite [Al...
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