 | | Book | | INTRODUCTION TO ROBERT LAUF, PH.D. ._._...OUT THE AUTHOR Dr. Robert Laut holds a Ph.D. in Metallurgical Engineering...information contact the publisher: Copyright © 2008 by Dr. Robert Laut, Ph.D. Library of Congress Control Number:...............................................36 Congo .. ................. .............................minerals is broad and deep; it covers a lot of territory and many years of scientific studies as well as...uranium if higher prices justify reprocessing the mine tailings to recover some of the uranium that was |  | | Journal (article/letter/editorial) | | between schoepite, [(UO2)4O(OH)6](H2O)6, and metaschoepite, [(UO2)4O(OH)6](H2O)5, are much smaller (about...with the easy transformation of schoepite to metaschoepite under ambient conditions and a joint occurrence...the Shinkolobwe (originally Kasolo) mine, the Haut-Katanga province, Democratic Republic of Congo. The...contributed to the knowledge of uranium minerals from Congo. The first reliable X-ray studies were undertaken...originates from the Shinkolobwe mine, the Haut-Katanga Province, Democratic Republic of Congo. The specimen |  | | Journal (issue) | | mm, with uranophane, from the Shinkolobwe mine, Shaba (formerly Katanga), Zaire. Sorbonne collection,...ince the days o f Stanley and Livingstone, Shaba (Katanga) has been known as one o f the world’s great mineralized...mineralized areas. Locality names such as Musonoi and Shinkolobwe are today famous fo r some o f the finest and...outside the Shaba Crescent, as does the large Kipushi mine, which has yielded lead, zinc, silver, copper, cadmium...province was changed from Katanga to Shaba about 20 years ago, after the Belgian Congo became Zaire in 1960 |  | | Journal (issue) | | net NOVEMBER–DECEMBER 2022 Articles The Laohuan mine, Goncheng, Zhuang, Guangxi, China.................Type Mineralogy of the Democratic Republic of the Congo...................................................yellow pyromoprhite crystals, 9 cm, from the Laohuan mine, Gongcheng County, Guangxi, China. Federico Pezzotta... Hickox, Jr. Wally Mann Keith and Diane Brownlee Dr. Nikolas Golosow William B. (Bill) Wray Herb & Monika...w w.FineMineral.com Copper Pearl Handle Pit Ray Mine, Arizona 13 cm Copper has been an essential metal |  | | Book | | mining organizations, such as Union Miniere du Haut-Katanga, should not be forgotten. It is evident that...structural water. Examples are schoepite and metaschoepite, vandendriesscheite and metavandendriesscheite...Buttgenbach H. (1 947) Les Mineraux de Belgique et du Congo Beige. 573 p. Paris: Ed. Dunod. Cesbron, F. (1985)...the government of the Democratic Republic of the Congo introduced a new admin istrative subdivision for...concern the former Katanga Province. According to the new subdivision, the former Katanga Province is now |  | | Journal (article/letter/editorial) | | Ianthinite Leesite Masuyite Metacalciouranoite Metaschoepite Metavandendriesscheite Paulscherrerite Protasite...Fourmarierite [DUPUDP] 4:7 Fourmarierite Schoepite Metaschoepite Leesite Vandendriesscheite [PDUPUPUPUDPDPD]...proportion of metal cation). Mineral Schoepite Metaschoepite Paulscherrerite Heisenbergite Vandendriesscheite...(bits/cell) Ichem (bits/formula) Schoepite Metaschoepite Leesite Vandendriesscheite Becquerelite Compreignacite...on fine prismatic needle-like studtite. Shinkolobwe mine, Congo, Africa. Field of view (FOV) 2 mm (photo |  | Brugger, J., Meisser, N., Etschmann, B., Ansermet, S., Pring, A. (2011) Paulscherrerite from the Number 2 Workings, Mount Painter Inlier, Northern Flinders Ranges, South Australia: "Dehydrated schoepite" is a mineral after all. American Mineralogist, 96 (2) 229-240 doi:10.2138/am.2011.3601 | Journal (article/letter/editorial) | | occurs as an abundant dehydration product of metaschoepite at the Number 2 Workings at Radium Ridge, Northern...Bulk (mg) samples always contain admixtures of metaschoepite (purest samples have ~80 wt% paulscherrerite)...thermogravimetric analysis corrected for the presence of metaschoepite contamination leads to the empirical formula...synthesized using various methods, including heating metaschoepite in water at 150 °C and slow hydration of UO3(am)...uraninite/pitchblende in several deposits, such as Shinkolobwe, Zaire; Nopal I deposit, Mexico; and the granitic |  | | Journal (article/letter/editorial) | | Of the 322 entries*, the Democratic Republic of Congo (formerly Zaire) comes out on top with 88; Namibia...indebted to Dr.Joseph Mandarino of Toronto, Canada, and Dr. Werner Krause of Hiirth, Germany, who supplied dates...briartite shares with the Democratic Republic of Congo and Namibia, and both djerfisherite and niningerite...Localities (1) Kanemite: Kanem region, Lake Chad. CONGO(3) People (2) Fornacite: Lucien Louis Fourneau (18671930)...(18671930), colonial governor, French Congo. Plunchkite: Mr. PlanchC, French explorer. Localities (1) |  | | Journal (article/letter/editorial) | | Vaes (1947) from Shinkolobwe mine, Haut-Katanga province, Democratic Republic of Congo, Africa, and later...originates from the type locality, Shinkolobwe mine (Haut-Katanga province, DRC, Africa). A tabular grayish...brown) among masuyite (orange). Shinkolobwe mine (type locality), Haute-Katanga province, DRC, Africa. FOV...fourmarierite. Samples of ianthinite, besides those from Shinkolobwe, also come from the well-known uranium deposit...(1998) Structural relations among schoepite, metaschoepite and “dehydrated schoepite”. Canadian Mineralogist |  | | Report (issue) | | = 32 X-ray Powder Pattern: Shinkolobwe, Congo; identical to metaschoepite. 5.09 (100), 3.45 (25), 3.39...O (1) 89.26 0.00 10.73 Total 99.99 (1) Shinkolobwe, Congo; corresponds to UO3 • 1.9H2 O. Occurrence:...Association: Schoepite, becquerelite, uraninite (Shinkolobwe, Congo); schoepite, arsenuranylite, metazeunerite...deposit, Uzbekistan). Distribution: At Shinkolobwe, Katanga Province, Congo (Shaba Province, Zaire). From the...epiianthinite, two new uranium minerals from Shinkolobwe (Belgian Congo). Amer. Mineral., 32, 344–350. (2) Schoep |  | | Report (issue) | | amber-yellow, as a surficial alteration towards metaschoepite and paraschoepite; yellow in transmitted light...731(4) Z=8 X-ray Powder Pattern: Shaba Province, Congo. 7.35 (100), 3.66 (50), 3.24 (9), 2.446 (9), 2.571...(2) 87.59 12.41 Total 100.00 (1) Shaba Province, Congo; UO3 average of four partial determinations, H2...curite, soddyite, rutherfordine, uranophane (Shinkolobwe, Congo); paraschoepite, arsenuranylite, metazeunerite...Uzbekistan). Distribution: From Shinkolobwe, Katanga Province, Congo (Shaba Province, Zaire). In the |  | | Journal (article/letter/editorial) | | uranyl minerals. Exposure of a Nasubstituted metaschoepite crystal in air and to Ultra-High Vacuum results...the upper surface layers of Na-substituted metaschoepite. Ó 2009 Elsevier Ltd. All rights reserved. ...U-deposits, and form as products of the oxidation of U mine and mill tailings (Frondel 1958; Finch and Ewing...Froideval et al. (2003) reported XPS data on metaschoepite or a lower-hydrated modification of schoepite...samples are originally from the Shinkolobwe Mine, Democratic Republic of Congo. Zippeite and magnesium-zippeite |  | | Report (issue) | | Metaschoepite UO3 • 1−2H2 O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Orthorhombic...= 14.73(4) Z = 32 X-ray Powder Pattern: Shinkolobwe, Congo; identical to paraschoepite. 5.09 (100),...paraschoepite. Distribution: From Shinkolobwe, Katanga Province, Congo (Shaba Province, Zaire). Probably |  | | Book | | . ... .. ... .. .. ................ .. .... . Congo ..................................................equipment, 1nineralogical studies ofuranium thankful that Dr. Lauf has been able to ded icate a huge and thorium...che1nical con1plexity, physical beauty as captured in Dr. oxyanions to form di verse structures and compositions...vast and deep; it PHOTO CREDITS covers a lot of territory (and languages) and many years of Maps were prepared...vvastewater during environmental reclamation at a mine that has ceased production. The following statistical |  | Olds, Travis A., Plášil, Jakub, Kampf, Anthony R., Spano, Tyler, Haynes, Patrick, Carlson, Shawn M., Burns, Peter C., Simonetti, Antonio, Mills, Owen P. (2018) Leesite, K(H2O)2[(UO2)4O2(OH)5]·3H2O, a new K-bearing schoepite-family mineral from the Jomac mine, San Juan County, Utah, U.S.A. American Mineralogist, 103 (1) 143-150 doi:10.2138/am-2018-6083 | Journal (article/letter/editorial) | | K-bearing schoepite-family mineral from the Jomac mine, San Juan County, Utah, U.S.A. Travis A. Olds1,*...hydroxyl-hydrate found underground in the Jomac mine, Brown’s Rim, White Canyon mining district, San...so-named schoepite family includes schoepite, metaschoepite, [(UO2)4O(OH)6]·5H2O (Weller et al. 2000), fourmarierite...other members of the family, including Na-rich metaschoepite and K-rich fourmarierite from Jáchymov, Czech...mining of rhodochrosite at Colorado’s Sweet Home mine. The rhodochrosite samples produced by this venture |  | Finch, Robert J., Hawthorne, Frank C., Miller, M. L., Ewing, R. C. (1997) Distinguishing among schoepite, [(UO2)8O2(OH)12](H2O)12, and related minerals by X-ray powder diffraction. Powder Diffraction, 12 (4) 230-238 doi:10.1017/s0885715600009799 | Journal (article/letter/editorial) | | Pbca from space group Pbna (the space group of metaschoepite), i.e., hOl with h odd and / even, are weak...significantly longer than that of synthetic metaschoepite (13.98 A), and the two phases can best be distinguished...commonly contain intergrowths of schoepite, metaschoepite, and dehydrated schoepite. The calculated powder...[S0885-7156(97)00303-5] Key words: schoepite, metaschoepite, paraschoepite, uranyl oxide hydrate, calculated...similar: schoepite, [(UO2)8O2(OH)12](H2O)12, metaschoepite, UO3-2H2O (?), and paraschoepite U O 3 ( 2 - |  | | Journal (article/letter/editorial) | | common constituents of the weathered zones in U mine and mill tailings (Abdelouas et al. 1999). Lead-bearing...[(UO2)8O2(OH)12] (H2O)12 (Finch et al. 1996) and metaschoepite [(UO2)4O(OH)6](H2O)5 (Weller et al. 2000). In...basal surfaces of fourmarierite, schoepite and metaschoepite have most probably identical surface-structures...& Putnis 2004, Schindler et al. 2004c), and metaschoepite is a prominent alteration-induced phase in laboratory...charge, whereas the sheets in schoepite and metaschoepite are neutral. However, oxygen atoms on the basal |  | Olds, Travis A., Plášil, Jakub, Kampf, Anthony R., Škoda, Radek, Burns, Peter C., Čejka, Jiří, Bourgoin, Vincent, Boulliard, Jean-Claude (2017) Gauthierite, KPb[(UO2)7O5(OH)7]·H2O, a new uranyl-oxide hydroxy-hydrate mineral from Shinkolobwe with a novel uranyl-anion sheet-topology. European Journal of Mineralogy, 29 (1) 129-141 doi:10.1127/ejm/2017/0029-2586 | Journal (article/letter/editorial) | | new uranyl-oxide hydroxyhydrate mineral from Shinkolobwe with a novel uranyl-anion sheet-topology TRAVIS...hydroxy-hydrate mineral from the Shinkolobwe Mine, Democratic Republic of Congo, Africa. It occurs on a matrix...crystal structure; topology; oxidation zone; Shinkolobwe. 38 1. Introduction 39 40 41 42 43 44 45 46...description of a new mineral from the Shinkolobwe mine (Katanga, Congo, Africa), gauthierite (/go ti: 'ei...geologist, mineralogist, and a true connoisseur of Katanga minerals (King, 2006). The new mineral and its |  | | Journal (article/letter/editorial) | | schoepite from the Shinkolobwe mine, Tantara, Shaba, Democratic Republic of Congo. The crystals have...shows prismatic crystals of schoepite from the Shinkolobwe mine, where [100], [010] and [110] edges define...of schoepite from Kasolo, Democratic Republic of Congo (Perloff 1998). The morphology of their (001) face...via weak hydrogen bonds. Schoepite alters to metaschoepite, [(UO2)8O(OH)12] (H2O)10 and “dehydrated schoepite”...dehydrates to metaschoepite, and natural crystals consist of intergrown schoepite, metaschoepite and “dehydrated |  | | Journal (article/letter/editorial) | | at old abandoned mine working at area of the Jan Evangelista vein, Daniel level of mine Svornost, central...analyses are given in the tables. Unnamed „Na-metaschoepite“ forms pale yellowish orange powdery or fine...sklodowskite,compreignacite, fourmarierite, unnamed Na-metaschoepite, powder X-ray diffraction data, unit-cell parameters...3295(3) - Shinkolobwe Li, Burns (2000) 14.010(1) 16.401(1) 14.317(1) 3290 1.022 Shinkolobwe Li, Burns...0.982 Shinkolobwe Li, Burns (2000) 14.013(1) 16.420(1) 14.329(1) 3297 0.936 Shinkolobwe Li, Burns |  | | Journal (article/letter/editorial) | | Dehydrated wyartite from the Shinkolobwe mine, Shaba, Democratic Republic of Congo, ideally Ca (CO3) [U5+ (U6+O2)2...déshydratée provenant de la mine Shinkolobwe, au Shaba, République Démocratique de Congo, de composition idéale...original sample is from the Shinkolobwe mine in Shaba, Democratic Republic of Congo. The crystal is dark purple...oxidizes to schoepite (Finch et al. 1996a) or metaschoepite (Finch et al. 1996b), both of which have cell...Ca(UO2)3 (CO3)(OH)6•3H2O, nouveau minéral de Shinkolobwe, Zaïre. Bull. Minéral. 107, 21-24. WRONKIEWICZ |  | Forbes, T. Z., Horan, P., Devine, T., McInnis, D., Burns, P. C. (2011) Alteration of dehydrated schoepite and soddyite to studtite, [(UO2)(O2)(H2O)2](H2O)2. American Mineralogist, 96 (1) 202-206 doi:10.2138/am.2011.3517 | Journal (article/letter/editorial) | | oxide hydrate minerals such as schoepite or metaschoepite (McNamara et al. 2002; Hanson et al. 2005)....percent of metaschoepite, (UO3)(H2O)2, had formed. This is not unexpected, as metaschoepite is a higher...of conversion between dehydrated schoepite, metaschoepite, and schoepite has been documented (Finch et...Figure 4. Summary of results for alteration of metaschoepite to studtite. Note that 0.1644 M H2O2 is needed...incorporation of Np5+ into studtite. Initially metaschoepite was precipitated in the presence of Np5+ by |  | | Journal (article/letter/editorial) | | significant primary uranium mineralization. Svornost mine, Jáchymov; photo P. Škácha. c – “Gummite” – residual...replaced by orange masuyite. Dump of the Rovnost mine, Jáchymov. The width of the sample is 4 cm. Photo...units Mineral schoepite metaschoepite (synth.) paulscherrerite Na-metaschoepite (synth.) heisenbergite...15 0.10 0.05 Alteration (time) schoepite metaschoepite heisenbergite 0.00 CDA 0.2 0.3 0.4 0.5...during the post-mining processes, known as the Acid-Mine Drainage (AMD) (e.g., Brugger et al. 2003) (Fig |  | | Journal (article/letter/editorial) | | originated in the Shinkolobwedeposit, Katanga district, Belgian Congo' We are greatly indebted to Professor...measurements by Palache and Berman (1933). Others from Katanga; measurementsby J. W. Frondel. than normal variation..."schoepite" be retained that schoepite II be called "metaschoepite." Schoepite III is clearly puraschoepite.Similarly...relationships Iows: SchoePiteI:schoePite SchoePite II : metaschoepite SchoePite I[l : ParaschoePite VandendriesscheitcI:...professor clifford Frondel, Harvard University, and Dr. George Switzer, U. S. National Museum, for the loan |  | Plášil, Jakub, Škoda, Radek, Čejka, Jiří, Bourgoin, Vincent, Boulliard, Jean-Claude (2016) Crystal structure of the uranyl-oxide mineral rameauite. European Journal of Mineralogy, 28 (5) 959-967 doi:10.1127/ejm/2016/0028-2568 | Journal (article/letter/editorial) | | from the Margnac mine, Compreignac, Haute-Vienne, Limousin, France. The Margnac mine is located in the...rich in uranium (more than 10 kg/t). The Margnac mine provided about 8,600 t U in ore. The primary mineralization...compreignacite, and rameauite, for which the Margnac mine is the type locality. The studied sample was a chip...Heisenbergite Ianthinite Masuyite Metacalciouranoite Metaschoepite Metavandendriesscheite Paulscherrerite Protasite... 550–557. Buttgenbach, H. 1924: Minéralogie du Congo Belge. La fourmariérite nouvelle espèce minérale |
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Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo