1-20 OF 60 RESULTS FOR

vandendriesscheite

Results shown limited to content with bounding coordinates.
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article

A new uranyl oxide hydrate sheet in vandendriesscheite; implications for mineral paragenesis and the corrosion of spent nuclear fuel

Peter C. Burns
Published: 01 December 1997
American Mineralogist (1997) 82 (11-12): 1176–1186.
DOI: https://doi.org/10.2138/am-1997-11-1214
...Peter C. Burns Abstract The structure of vandendriesscheite, Z = 8, Pb 1.57 [(UO 2 ) 10 O 6 (OH) 11 ](H 2 O) 11 , orthorhombic, a = 14.1165(6), b = 41.378(2), c = 14.5347(6) Å, V = 8490 Å 3 , space group Pbca , has been solved by direct methods and refined by full-matrix least-squares techniques...
PDF
Purchase
Add to Citation Manager
Image
The sheets of uranyl polyhedra that occur in the structures of uranyl oxide...

The sheets of uranyl polyhedra that occur in the structures of uranyl oxide...

Published: 01 February 2000
F ig . 1. The sheets of uranyl polyhedra that occur in the structures of uranyl oxide hydrate minerals that contain Ca, Ba and Pb: (a) billietite, becquerelite, protasite, richetite, masuyite and agrinierite, (b) fourmarierite, (c) sayrite, (d) curite, (e) vandendriesscheite, and (f
Journal Article

Uranyl-oxide hydroxy-hydrate minerals: their structural complexity and evolution trends

Jakub Plášil
Published: 01 March 2018
European Journal of Mineralogy (2018) 30 (2): 237–251.
DOI: https://doi.org/10.1127/ejm/2017/0029-2690
..., Cu(UO 2 )(OH) 4 , with 86 bits/cell. The most complex UOH mineral is vandendriesscheite, orthorhombic Pb 1.5 [(UO 2 ) 10 O 6 (OH) 11 ](H 2 O) 11 , with 4296 bits/cell, which owes its structural complexity to the presence of a large proportion of H 2 O/OH and several symmetrically unique U sites...
FIGURES | View All (15)
PDF
Purchase
Add to Citation Manager
Journal Article

Gauthierite, KPb[(UO 2 ) 7 O 5 (OH) 7 ]·8H 2 O, a new uranyl-oxide hydroxy-hydrate mineral from Shinkolobwe with a novel uranyl-anion sheet-topology

Travis A. Olds, Jakub Plášil, Anthony R. Kampf, Radek Škoda, Peter C. Burns, Jiří Čejka, Vincent Bourgoin, Jean-Claude Boulliard
Published: 01 March 2017
European Journal of Mineralogy (2017) 29 (1): 129–141.
DOI: https://doi.org/10.1127/ejm/2017/0029-2586
... ( I )]) contains uranyl-(hydroxo)-oxide sheets with a novel topology that is similar to that of vandendriesscheite, but with a unique chain sequence UDPDPDUPUP , P 4 (UD) 6 . Adjacent sheets are linked through K + and Pb 2+ cations (the lone 6s 2 pair on Pb atoms is stereoactive). Gauthierite...
FIGURES | View All (7)
PDF
Purchase
Add to Citation Manager
Includes: Supplemental Content
Image
Typical association: tabular crystal of fourmarierite I overgrown by long p...

Typical association: tabular crystal of fourmarierite I overgrown by long p...

Published: 01 March 2018
Fig. 3 Typical association: tabular crystal of fourmarierite I overgrown by long prismatic fourmarierite II and (right part of the picture) large tabular (lens-like) crystal of vandendriesscheite, both growing on fine prismatic needle-like studtite. Shinkolobwe mine, Congo, Africa. Field of view
Journal Article

Structural complexity of minerals: information storage and processing in the mineral world

S. V. Krivovichev
Published: 01 April 2013
Mineralogical Magazine (2013) 77 (3): 275–326.
DOI: https://doi.org/10.1180/minmag.2013.077.3.05
... (2950.928), vandendriesscheite (2835.307), giuseppetite (2723.097), stilpnomelane (2483.819), stavelotite-(La) (2411.498), rogermitchellite (2320.653), parsettensite (2309.820), apjohnite (2305.361), antigorite ( m = 17 polysome) (2250.397), tounkite (2187.799), tschoertnerite (2132.228), farneseite...
FIGURES | View All (23)
PDF
Purchase
Add to Citation Manager
Image
The structural sheet of [(UO 2 ) 7 O 5 (OH) 7 ] 3− composition in the stru...

The structural sheet of [(UO 2 ) 7 O 5 (OH) 7 ] 3− composition in the stru...

Published: 01 March 2017
of the vandendriesscheite anion-topology with the chain sequence. (Online version in colour.)
Journal Article

Phase transformations and crystal chemistry of schoepite

C. L. Christ
Published: 01 February 1965
American Mineralogist (1965) 50 (1-2): 235–239.
...; billietite, BaO·6UO 3 ·11H 2 O; fourmarierite, PbO·4UO 3 ·4H 2 O; masuyite, formula uncertain; schoepite, UO 3 ·2H 2 O (phases I, II, and III); and vandendriesscheite, formula uncertain (phases I and II); the detailed crystallography of these has been given by Christ and Clark (1960). Evans considers...
PDF
Purchase
Add to Citation Manager
Journal Article

Crystal chemical studies of some uranyl oxide hydrates

C. L. Christ, Joan R. Clark
Published: 01 October 1960
American Mineralogist (1960) 45 (9-10): 1026–1061.
.... Crystals of schoepite and of vandendriesscheite that are apparently single, actually consist of several crystallographically distinct phases in parallel intergrowth. The spontaneous alteration from one phase to another that occurs in these crystals results from loss of water of hydration. All six...
PDF
Purchase
Add to Citation Manager
Journal Article

Mineral composition of gummite

Clifford Frondel
Published: 01 August 1956
American Mineralogist (1956) 41 (7-8): 539–568.
...) A central core of black or brownish-black uraninite. (2) A surrounding zone, yellow to orange-red, composed chiefly of hydrated lead uranyl oxides. This zone constitutes the traditional gummite. It is principally composed of fourmarierite, vandendriesscheite and two unidentified phases (Mineral...
PDF
Purchase
Add to Citation Manager
Image
Construction of anion topologies using chain-stacking sequences. (a) protas...

Construction of anion topologies using chain-stacking sequences. (a) protas...

Published: 01 February 2000
F ig . 5. Construction of anion topologies using chain-stacking sequences. (a) protasite anion-topology, (b) fourmarierite anion-topology, (c) vandendriesscheite anion-topology, (d) sayrite anion-topology, (e) curite anion-topology, (f) β–U 3 O 8 anion-topology, (g) wölsendorfite anion
Journal Article

A NEW URANYL SHEET IN K 5 [(UO 2 ) 10 O 8 (OH) 9 ](H 2 O): NEW INSIGHT INTO SHEET ANION-TOPOLOGIES

Peter C. Burns, Frances C. Hill
Published: 01 February 2000
The Canadian Mineralogist (2000) 38 (1): 163–173.
DOI: https://doi.org/10.2113/gscanmin.38.1.163
...F ig . 5. Construction of anion topologies using chain-stacking sequences. (a) protasite anion-topology, (b) fourmarierite anion-topology, (c) vandendriesscheite anion-topology, (d) sayrite anion-topology, (e) curite anion-topology, (f) β–U 3 O 8 anion-topology, (g) wölsendorfite anion...
FIGURES | View All (6)
PDF
Purchase
Add to Citation Manager
Image
Four chain-types ( Miller et al. 1996 ) found in uranyl minerals ( a ), com...

Four chain-types ( Miller et al. 1996 ) found in uranyl minerals ( a ), com...

Published: 01 October 2009
F igure 10. Four chain-types ( Miller et al. 1996 ) found in uranyl minerals ( a ), combine to form dozens of different sheet topologies, including the α–U 3 O 8 sheet ( b ), the β–U 3 O 8 sheet ( c ), and the structural layer of vandendriesscheite [Pb 1.6 (UO 2 ) 10 O 6 (OH) 11 ·11H 2 O
Image
Relationship between proportion of molecular H 2 O, cationic content and th...

Relationship between proportion of molecular H 2 O, cationic content and th...

Published: 01 March 2018
has a negative value should not represent any mineral. Symbols used: triangle (schoepite), circle (vandendriesscheite), square (fourmarierite), triangle (wölsendorfite), diamond (curite), drop score circle (spriggite).
Image
The activity–composition diagram log [ M 2+ ]/[H + ] 2 versus the molar ...

The activity–composition diagram log [ M 2+ ]/[H + ] 2 versus the molar ...

Published: 01 December 2004
2 ] (top), curite (center) and vandendriesscheite (bottom). The average coordination number of U is shown in square brackets.
Image
The activity-composition diagram log[ M 2+ ]/[H + ] 2 vs. the molar ratio...

The activity-composition diagram log[ M 2+ ]/[H + ] 2 vs. the molar ratio...

Published: 01 October 2009
represented to the right. Three examples are shown: the anion topology of synthetic Pb 2+ [(UO 2 )O 2 ] (top), curite (center), and vandendriesscheite (bottom) (from Schindler and Hawthorne 2004 ).
Image
Auto-oxidation leads to the formation of Pb-uranyl secondary minerals. Here...

Auto-oxidation leads to the formation of Pb-uranyl secondary minerals. Here...

Published: 01 October 2009
F igure 7. Auto-oxidation leads to the formation of Pb-uranyl secondary minerals. Here reddish orange fourmarierite [Pb 1−x O 3−2x (UO 2 ) 4 (OH) 4+2x ·4H 2 O] and bright orange vandendriesscheite [Pb 1.6 (UO 2 ) 10 O 6 (OH) 11 ·11H 2 O], along with pale yellow rutherfordine [(UO 2 )(CO 3
Journal Article

SYNTHESIS AND CRYSTAL STRUCTURE OF A NEW Pb URANYL OXIDE HYDRATE WITH A FRAMEWORK STRUCTURE THAT CONTAINS CHANNELS

Yaping Li, Peter C. Burns
Published: 01 December 2000
The Canadian Mineralogist (2000) 38 (6): 1433–1441.
DOI: https://doi.org/10.2113/gscanmin.38.6.1433
... et al . (1983) ; curite, Taylor et al . (1981) ; masuyite, Burns & Hanchar (1999) ; vandendriesscheite, Burns (1997) ; richetite, Burns (1998) , and wölsendorfite, Burns (1999a) ]. All seven structures are based upon sheets of edge- and corner-sharing uranyl polyhedra, with Pb 2+ cations...
FIGURES | View All (6)
PDF
Purchase
Add to Citation Manager
Journal Article

INVESTIGATIONS OF CRYSTAL-CHEMICAL VARIABILITY IN LEAD URANYL OXIDE HYDRATES. I. CURITE

Yaping Li, Peter C. Burns
Published: 01 June 2000
The Canadian Mineralogist (2000) 38 (3): 727–735.
DOI: https://doi.org/10.2113/gscanmin.38.3.727
..., with the exception of curite, for which Mereiter (1979) reported the structure for a synthetic crystal. All involve sheets of uranyl polyhedra, some of which exhibit extraordinary complexity, such as the wölsendorfite and vandendriesscheite sheets, with primitive lattice repeats of 56 and 41 Å, respectively...
FIGURES | View All (4)
PDF
Purchase
Add to Citation Manager
Image
Examples of structural units that are the basis of the structures of severa...

Examples of structural units that are the basis of the structures of severa...

Published: 01 February 2011
pentagonal bipyramids and sulphate tetrahedra that is the basis of the structure of uranopilite. ( d ) A complex sheet of uranyl pentagonal bipyramids that occurs in vandendriesscheite. ( e ) The most complex sheet of uranyl bipyramids (both square and pentagonal bipyramids) that occurs in wölsendorfite