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Kobokobo Pegmatite

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Journal Article

Kobokoboite, Al 6 (PO 4 ) 4 (OH) 6 ·11H 2 O, a new mineral from the Kobokobo pegmatite, Democratic Republic of the Congo

Stuart J. Mills, William D. Birch, Anthony R. Kampf, Leopold van Wambeke
Published: 01 March 2010
European Journal of Mineralogy (2010) 22 (2): 305–308.
DOI: https://doi.org/10.1127/0935-1221/2010/0022-2014
...Stuart J. Mills; William D. Birch; Anthony R. Kampf; Leopold van Wambeke Abstract Kobokoboite, ideally Al 6 (PO 4 ) 4 (OH) 6 ·11H 2 O, is a new mineral (IMA2009–057), from the Kobokobo pegmatite, South Kivu Province, Democratic Republic of the Congo. Kobokoboite forms 0.1 to 0.15-mm thick crusts...
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A new uranyl phosphate sheet in the crystal structure of furongite

Fabrice Dal Bo, Frédéric Hatert, Simon Philippo
Published: 01 June 2017
European Journal of Mineralogy (2017) 29 (3): 517–527.
DOI: https://doi.org/10.1127/ejm/2017/0029-2629
...Fabrice Dal Bo; Frédéric Hatert; Simon Philippo Abstract: The crystal structure of furongite, Al 4 [(UO 2 ) 4 (PO 4 ) 6 ](OH) 2 (H 2 O) 19.5 , from the Kobokobo pegmatite, Kivu, Democratic Republic of Congo, was solved for the first time. Furongite is triclinic, the space group P 1 ¯ , Z = 2...
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New Mineral Names,

Fernando Cámara, G. Diego Gatta, Dmitriy Belakovskiy
Published: 01 February 2014
American Mineralogist (2014) 99 (2-3): 551–555.
DOI: https://doi.org/10.2138/am.2014.638
... and have uneven fracture. Mohs hardness is close to 3. S.J. Mills, W.D. Birch, A.R. Kampf, and L. van Wambeke (2010) Kobokoboite, Al 6 (PO 4 ) 4 (OH) 6 ·11H 2 O, a new mineral from the Kobokobo pegmatite, Democratic Republic of the Congo. European Journal of Mineralogy, 22, 305–308. Kobokoboite...
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Thorium in crandallite-group minerals: an example from a Devonian bauxite deposit, Timan, Russia

L. E. Mordberg
Published: 01 June 2004
Mineralogical Magazine (2004) 68 (3): 489–497.
DOI: https://doi.org/10.1180/0026461046830200
... A site is shared mainly by divalent Ca, Sr, Ba and Pb, as well as trivalent rare earth elements ( REE ) or Bi. Van Wambeke (1971) studied a mineral from the Kobokobo pegmatite in the Democratic Republic of Congo and found it to be a Th-rich crandallite. He observed a deficiency in the A and X sites...
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Cabvinite, Th 2 F 7 (OH)·3H 2 O, the first natural actinide halide

Paolo Orlandi, Cristian Biagioni, Federica Zaccarini
Published: 01 July 2017
American Mineralogist (2017) 102 (7): 1384–1389.
DOI: https://doi.org/10.2138/am-2017-6013
... Althupite AlTh(UO 2 )7(PO 4 ) 4 (OH)5·15H 2 O Kobokobo pegmatite, Democratic Republic of Congo (9) Cheralite CaTh(PO 4 ) 2 Kuttakuzhi, Kerala, India (10) Eylettersite Th 0.75 Al 3 (PO 4 ) 2 (OH) 6 Kobokobo pegmatite, Democratic Republic of Congo (11) Grayite (Th,Pb,Ca)PO 4 nH 2 O...
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Afmite, Al 3 (OH) 4 (H 2 O) 3 (PO 4 )(PO 3 OH)·H 2 O, a new mineral from Fumade, Tarn, France: description and crystal structure

Anthony R. Kampf, Stuart J. Mills, George R. Rossman, Ian M. Steele, Joseph J. Pluth, Georges Favreau
Published: 01 March 2011
European Journal of Mineralogy (2011) 23 (2): 269–277.
DOI: https://doi.org/10.1127/0935-1221/2011/0023-2093
... kobokoboite probably has a closely related sheet structure. * Corresponding author, e-mail: akampf@nhm.org We have also confirmed afmite to occur intergrown with kobokoboite at the Kobokobo pegmatite, Democratic Republic of Congo ( Mills et al ., 2010 ), and we have found afmite...
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Coutinhoite, a new thorium uranyl silicate hydrate, from Urucum mine, Galiléia, Minas Gerais, Brazil

Daniel Atencio, Flávio M.S. Carvalho, Paulo A. Matioli
Published: 01 May 2004
American Mineralogist (2004) 89 (5-6): 721–724.
DOI: https://doi.org/10.2138/am-2004-5-606
...Daniel Atencio; Flávio M.S. Carvalho; Paulo A. Matioli Abstract The new mineral coutinhoite, ideally Th x Ba( 1−2 x ) (H 2 O) y (UO 2 ) 2 Si 5 O 13 · H 2 O, with 0 ≤ x ≤ 0.5 and 0 ≤ y ≤ (2 + x ), occurs as a secondary hydrothermal mineral in the Córrego do Urucum granitic pegmatite, Lavra Urucum...
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PETROGRAPHIC EVIDENCE FOR PRIMARY HAGENDORFITE IN AN UNUSUAL ASSEMBLAGE OF PHOSPHATE MINERALS, KIBINGO GRANITIC PEGMATITE, RWANDA

André-Mathieu Fransolet, Frédéric Hatert, François Fontan
Published: 01 June 2004
The Canadian Mineralogist (2004) 42 (3): 697–704.
DOI: https://doi.org/10.2113/gscanmin.42.3.697
... différent entre les deux minéraux de cette paragenèse: la valeur est de 0.70 dans la hagendorfite et de 0.85 dans la triphylite. La température de formation de la hagendorfite serait d’environ 600°C. Contrairement aux informations de la littérature, le gisement de Kibingo ne serait pas la pegmatite à...
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Flurlite, Zn 3 Mn 2+ Fe 3+ (PO 4 ) 3 (OH) 2 ·9H 2 O, a new mineral from the Hagendorf Süd pegmatite, Bavaria, with a schoonerite-related structure

I. E. Grey, E. Keck, W. G. Mumme, A. Pring, C. M. Macrae, R. W. Gable, J. R. Price
Published: 01 October 2015
Mineralogical Magazine (2015) 79 (5): 1175–1184.
DOI: https://doi.org/10.1180/minmag.2015.079.5.11
... of Hagendorf-Süd in Bavaria ranks with the Palermo (New Hampshire), Ivigtut (Greenland), Kobokobo (DRC) and Tip Top (South Dakota) localities as one of the most mineral-rich granite pegmatites in terms of both the number of new minerals (13) and number of valid minerals found (~170) ( Bernard and Hyršl, 2004...
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Lumping and splitting: Toward a classification of mineral natural kinds

Robert M. Hazen, Shaunna M. Morrison, Sergey V. Krivovichev, Robert T. Downs
Published: 01 July 2022
American Mineralogist (2022) 107 (7): 1288–1301.
DOI: https://doi.org/10.2138/am-2022-8105
... 25 332 Stage 4b: Highly evolved igneous rocks >3.0 843 43 252  34. Complex granite pegmatites 291 48 77  35. Ultra-alkali and agpaitic igneous rocks 383 47 150  36. Carbonatites, kimberlites, and related igneous rocks 220 24 22  37. Layered igneous...
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The crystal structure determination and redefinition of matulaite, Fe 3+ Al 7 (PO 4 ) 4 (PO 3 OH) 2 (OH) 8 (H 2 O) 8 ·8H 2 O

A. R. Kampf, S. J. Mills, M. S. Rumsey, J. Spratt, G. Favreau
Published: 01 June 2012
Mineralogical Magazine (2012) 76 (3): 517–534.
DOI: https://doi.org/10.1180/minmag.2012.076.3.05
... S.J. Birch W.D. Kampf A.R. van Wambeke L. ( 2010 ) Kobokoboite, Al 6 (PO 4 ) 4 (OH) 6 ·11H 2 O, a new mineral from the Kobokobo pegmatite, Democratic Republic of the Congo . European Journal of Mineralogy , 22 , 305 – 308 . Moore P.B. Ito J. ( 1980 ) Jungit und...
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Crystal structures and isotypism of the iron(III) arsenate kamarizaite and the iron(III) phosphate tinticite

Uwe Kolitsch, Christian L. Lengauer, Gerald Giester
Published: 01 March 2016
European Journal of Mineralogy (2016) 28 (1): 71–81.
DOI: https://doi.org/10.1127/ejm/2015/0027-2485
... W.D. Kampf A.R. van Wambeke L. ( 2010 ): Kobokoboite, Al 6 (PO 4 ) 4 (OH) 6 · 11H 2 O, a new mineral from the Kobokobo pegmatite, Democratic Republic of the Congo . Eur. J. Mineral. , 22 , 305 – 308 . Nriagu J.O. Dell C.I. ( 1974 ): Diagenetic formation of iron...
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Cathodoluminescence and LA-ICP-MS chemistry of silicified wood enclosing wakefieldite – REEs and V migration during complex diagenetic evolution

Petra Matysová, Jens Götze, Jaromír Leichmann, Radek Škoda, Ladislav Strnad, Petr Drahota, Tomáš Matys Grygar
Published: 01 December 2016
European Journal of Mineralogy (2016) 28 (5): 869–887.
DOI: https://doi.org/10.1127/ejm/2016/0028-2556
... pegmatite, Québec, Canada ( Miles et al ., 1971 ); wakefieldite-(Ce) from Kobokobo granitic pegmatite, Kusu deposit, Democratic Republic of Congo (Zaire) ( Deliens & Piret, 1977 ), or associated with zeolites in trachyte-phonolite at Yellow Lake, British Columbia, Canada ( Howard et al ., 1995...
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The Crystal Chemistry of the Phosphate Minerals

Danielle M.C. Huminicki, Frank C. Hawthorne
Published: 01 January 2002
Reviews in Mineralogy and Geochemistry (2002) 48 (1): 123–253.
DOI: https://doi.org/10.2138/rmg.2002.48.5
... in many phosphate parageneses (e.g., granitic pegmatites). However, many phosphate minerals crystallize under surficial conditions and yet only three minerals with polymerized phosphate groups are currently known. Our lack of understanding concerning this issue is obviously an important gap in our...
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