 | | Journal (article/letter/editorial) | | 5.652, on a specimen, B.M. 1957, 579, from Katanga, Congo) ; it is evident that the octahedral covalent...collected by Fermor and confirmed the presence of pyrolusite and eryptomelane with amorphous admixture, also...of Ramdohr (1956), and confirm the presence of pyrolusite, cryptomelane, and ramsdellite, already reported...deposits. Acknowledgements. The author sincerely thanks Dr. J. Konta under whose supervision this work was carried |  | | Book (edition) | | Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & Dr. rer. nat. Michael Hanel Prof. Dr.-Ing. Peter...Joachim Lorenz Prof. Dr. Robert Marschik Dr. Frank Melcher☆ & Dr. Simon Goldmann & Dr. Thomas Oberthür Dipl...-Min. Sebastian Möller Dr. rer. nat. Hans-Peter Röper☆ Prof. Dr. Supriya Roy✝ Dr. Thomas Seifert Dipl...-Geol. Jana Wazeck & Prof. Klaus Thalheim Dr. Thomas Witzke Prof. Dr. Fathi Zereini Mitteljörn 14a, D-24536...orangebrown distinctive brown to blue grey Mineral Pyrolusite Rasvumite Rickardite light yellow, brown, brilliant |  | | Journal (article/letter/editorial) | | 5.652, on a specimen, B.M. 1957, 579, from Katanga, Congo) ; it is evident that the octahedral covalent...collected by Fermor and confirmed the presence of pyrolusite and eryptomelane with amorphous admixture, also...of Ramdohr (1956), and confirm the presence of pyrolusite, cryptomelane, and ramsdellite, already reported |  | | Report (issue) | | site, devoted mostly to very rare species, run by Dr. Marcus Origlieri of Tucson. Marcus sends out regular...from the Mashamba West mine in Katanga, Democratic Republic of the Congo—these were picked up by Jake and...from the Mashamba West mine, Katanga, Democratic Republic of the Congo. Earthquest Minerals specimen...came out with highly presentable specimens of pyrolusite: rounded plates consisting entirely of tightly...specimens (all, however, marked “reserved”). Pyrolusite, 6.4 cm, from the Haití mine, Cabezo de San Ginés |  | | Journal (issue) | | SPECIAL ARTICLES · $5,000 R.EwABD. By Dr. Eles THE NEw MINERALS OF KATANGA. By Edward Cahen NOTES ON THE BuTTE...suggests this. The Romance of Rocks and :Minerals: By Dr. R. F. H . Harter. Many of the great countries of...developtnent. We are sure our readers will enjoy Dr. Harter's very interesting article, as it brings...························The New l\1inerals of Katanga ...............................·-·············...Dolomite Showing thE! Reactions Outlined Below. By DR. ELES, Chemist The de Clair Laboratories, Los Angeles |  | | Journal (article/letter/editorial) | | southeastern part of the Democratic Republic of the Congo locally hosts Proterozoic manganese deposits. The...are also known to occur at Kasekelesa (former Katanga Province) and Mwene-Ditu (former Kasai Province)...Democratic Republic -p ro of the Congo, Kasekelesa , Katanga, Mwene-Ditu, manganese re Introduction...Lualaba Province (formerly Katanga) of the Democratic Republic of the Congo (DRC), has yielded Mio-Pliocene...other deposits occur in other parts of the former Katanga Province, as well as in the 2 Journal Pre-proof |  | Dekoninck, A., Bernard, A., Barbarand, J., Saint-Bezar, B., Missenard, Y., Lepretre, R., Saddiqi, O., Yans, J. (2016) Detailed mineralogy and petrology of manganese oxyhydroxide deposits of the Imini district (Morocco) Mineralium Deposita, 51 (1) 13-23 doi:10.1007/s00126-015-0590-3 | Journal (article/letter/editorial) | | displays a high Mn content due to the occurrence of pyrolusite, cryptomelane, hollandite sensu stricto, coronadite...including multiple reworking and brecciation. Pyrolusite is the main Mn oxide observed in the Imini district...suitable for the formation of Mn oxides such as pyrolusite and/or Mn oxyhydroxides such as hollandite s...(Fig. 1c). C1 and C2 layers are dominated by pyrolusite (MnO2), and part of the Mn oxyhydroxides form...C2 layer in Lantenois galleries. Qz quartz, Py pyrolusite, Ca calcite. d Internal sediments of lithotype |  | | Journal (article/letter/editorial) | | filoniennes de la r6gion de Kamituga -- Kivu -- R6p. du Congo A. SAFIANNIKOFF Ing. ~ la Cie mini~re des Grands...bibliographie a 6t6 d6j~ consacr6e aux pegmafites du Congo, du Rwanda et du Burundi (ADERCA 1950; BERNARD 1954/55;...de manganese, en l'occurrence la goethite, la pyrolusite, la cryptomdlane surtout dans la zone d'altdration...primaires et secon&aires (°) Min~raux nouveaax pour le Congo (L. V. W.) familie de la plumbogummite uniquement...Cptes. Rendus Congr~s Sc. du Comit6 special du Katanga, Elisab., 2, 377-408 (1950). BERNARD, H.: Quelques |  | | Journal (article/letter/editorial) | | jacobsite, lithiophorite, manganite, psilomelane, pyrolusite, ramsdellite, 170 We~st Tirodi mine, Madhya Pradesh:...Tokkos, Jos: fergusonite, 48 Central Africa Katanga, Congo: heterogenite, 253 Rwanda: berlinite, 613 N |  | | Catalog/List | | pinkish faintly fibrous masses with calcite or Pyrolusite Rich yellow-brown masses, Minor grey Magnetite...½ x ½ £1.S lxl 3.00 Fe C0/3 Fe AsO/4 1145 ■ PYROLUSITE . Fullabrook mine near Barnstaple ,Devon 369...Mine Devon Small sharp black crystals on massive pyrolusite and matrix. Quite good coverage Rich mass of...black massive, probably mixed with traces of Pyrolusite. Ixl £2.SO Ix2£4 . ___ ___ - - - ~Mn _ O___ __...minor Realgar. Poisonous Ix½ £4 lxl £6 As S PYROLUSITE Mistake Mine, Yavapai County Arizona Rich mass |  | | Journal (article/letter/editorial) | | TOPOGRAPHICAL INDEX Garbham, Vizagapatam: epimorphs of pyrolusite over cryptomelane, 169, 334 Garividi: jacobsite...pandaite, 13 Congo Mt. Shaheru, Nyiragongo, North Kivu: delhayelite, 6 Shin~olobwe, Katanga: uraninite |  | | Catalog/List | | black massive, probably m1xed with traces of Pyrolusite. lxl£2.SO lx2£4 BaMnO 179 242 K Fe SO OH ...matrix lx2 £2 2x2 £4 2x3 £6 1130 ■■ MALACHITE Katanga Excellent pure green banded mass lxl £4 lx2 £8...lx2£6 2x2£15 MgMnSbB0/3 PLANCHEITE Kalabi, Katanga ,Congo Pure pale blue fibrous vein about 3mm thick...lx2 £7 341 PLANCHEITE Reneville, Republic of Congo numerous micro blue spots on matrix CuSiO ½x ½ £4...crystals on rock which, if analysed ,would be partly Pyrolusite. lxl £1 lxl £2 2x2 £4 FeS lxl £4 MnO 656 PYRITE |  | | Catalog/List | | black massive, probably mixed with traces of Pyrolusite. lxl£2.50 lx2£4 BaMnO 188 179 HOLMQUISTITE...Mine, Santa Cruz County, Arizona 1130 ■ MALACHITE Katanga Excellent pure green banded mass Orange-brown massive...pinkish faintly fibrous masses with calcite or Pyrolusite ½x½£2.5 lx½£5 lxl£10 PbCIO 307 ■■ MERLINOITE...Mn Sb 80/3 309 PLANCHEITE Reneville, Republic of Congo 538 OLIVENITE Wheal Gorland, St Day.Cornwall numerous...- -· . . ·- - -- --1076 PLANCHEITE Kalabi, Katanga ,Congo 304 OLIVINE Aheim, More og Romsdal, West Norway |  | | | | beauty of the mineral kingdom. The foreword is by Dr G. F. Claringbull, formerly Keeper of Mineralogy...pyrargyrite 17 pyrite 15, 15, 16 pyroaurite 51 pyrolusite 34 pyromorphite 68, 68 pyrope 76 pyrophyllite...Zinnwald (Saxony), Panasqueira (Portugal), and Katanga (Congo). Several other localities in Spain and Portugal...California have been unsuccessfully worked). Pyrolusite, psilomelane, wad, manganite The oxides and...masses. Some of the most common are the following: Pyrolusite, MnO,, forms in compact masses which are fibrous |  | | Book | | beauty of the mineral kingdom. The foreword is by Dr G. F. Claringbull, formerly Keeper of Mineralogy...natron 50 negro’s head 95, 96 pyroaurite 51 pyrolusite 34 pyrope 76 pyrophyllite 102, 103 pyroxene...Zinnwald (Saxony), Panasqueira (Portugal), and Katanga (Congo). Several other localities in Spain and Portugal...California have been unsuccessfully worked). Pyrolusite, psilomelane, wad, manganite The oxides and hydroxides... Some of the most common are the following: Pyrolusite, MnO,, forms in compact masses which are fibrous |  | | Journal (article/letter/editorial) | | 2 PURPURITE 19.12.18-1 PYROMORPHITE 22.2.5- 1 PYROLUSITE 7.18.6- 3 QUARTZ 7.8.1-2 QUARTZ -208 QUARTZ -226...13 -3 -6 -7 27.2.3- 12 - 15 16.9.1 1-2 Katanga, Belgian Congo, Africa Y u m a , Arizona Superb Crystals |  | | Journal (article/letter/editorial) | | Belgian Congo. Named after Felicien Cattier, chairman of the Union MiniSre du Haut Katanga. [M.A. 9-188...crusts in clay from Hobart Butte, Oregon. Named after Dr. George Rogers Mansfield (1875-) formerly of the...Orthorhombic Mn02 dimorphous with tetragonal pyrolusite ( = polianite). Named after Prof. Lewis Stephen...greenish waxy masses from Durango, Mexico. Named after Dr. Lars Gunnar Sill~n of Stockholm, who prepared the...Belgian Congo. Named after Johannes Vaes, mineralogist to the Union Mini~re du Haut Katanga. [M.A. 9-188 |  | | Book | | Twins 9 8 Plate 4 a) Pyrite b) Pyrrhotite c) Pyrolusite d) Braunite e) Psilomelane f) Manganese Oxide...common minerals Chalcocite Magnetite Hematite Pyrolusite Psilomelane A/ > penknife LOW DENSITY (<3)...veins. Overlying the Basement rocks are those off; KATANGA SYSTEM. This group is madeup mostly of rocks of...nearthetop --------- Unconformity------- 60-240 KATANGA SYSTEM Mostly schists, quartzites and marbles...spectacular colour banding. However, the malachite from Katanga (Zaire) makes a mr; striking ornamental stone than |  | | Journal (article/letter/editorial) | | Petrography Co-Ni sulfides Pyrite Chalcopyrite BELGIAN CONGO. Paragenesis Stage A Quartz with monazite, tourmaline...possibly are related to granite in- Stage 15 Katanga-Rhodesian border. Bornire Host rock is mainly...of cobalt and nickel Pyrite Jasper Galena Pyrolusite Hematite Sphalerite Pyrite Meadfo9t Bedsare...paper, "Le Gite d'Uranium de ShinkolobweKasolo (Katanga)," by J. Thoreau and R. duTrien de Terdonck, Hayez... R., Le Gite d'Uranium de Shinkolobwe-Kasolo.(Katanga): Institut Royal Colonial Beige, Section des Sciences |  | | Book | | stalactiforme et rubanée sont en Oural et au Katanga. En France, hormis la célèbre mine de Chessy (localité-type...minéraux ? (f2) résiduels : quartz, gibbsite, talc, pyrolusite, birnessite, or, zircon, monazite, béryls, corindons...molybdénite Trace noire • Minéral de couleur noire : pyrolusite • Minéral de couleur argentée : – non malléable...stibine – malléable : argentite Poudre noire : pyrolusite, wolframites, chromites Rayable par un couteau...leucite, brookite, vesuvianite, préhnite, rutile, pyrolusite, cassitérite, axinite, olivines* • Avec clivage |  | | Journal (article/letter/editorial) | | coatings on all these minerals occur gilbertite, pyrolusite, and limonite. Heated waters circulating thru...orro voN Scnrrcurelq. THE PRESENCE OF RADIUM AT KATANGA. A. Scsonp. Bwl.l. sot. chim. B elgique,gO,219-222...minerals heirradium content. B. T. W. LINNBITE AT KATANGA. A. Scuonp. Bull.. soc.chim. Belgi.que,3O, 222-223 | | | Book | | beauty of the mineral kingdom. The foreword is by Dr G. F. Claringbull, for:merly Keeper of Mineralogy...pyrargyrite 17 pyrite 15, 15, 16 pyroaurite 51 pyrolusite 34 pyromorphite 68, 68 pyrope 76 pyrophyllite...Zinnwald (Saxony), Panasqueira (Portugal), and Katanga (Congo). Several other localities in Spain and Portugal...and Californiahavebeen unsuccessfully worked). Pyrolusite, psilomelane, wad, manganite The oxides and hydroxides...earthy, and of a blackish colour. Psilomelane and pyrolusite are frequently associated with goethitite, limonite |  | | Book | | Controller: Don Campaniello Consultants: Dr Alec Livingstone and Dr John Schumacher (Department of Earth...branches, like ~ arborescent but finer, e.g. pyrolusite (left), psilomelane, copper and gold. Drusy...Africa and South America Katanga, Congo Kimberley, South Africa Kivu, Congo Transvaal, South Africa Tsumeb...Covellite 2 Stibnite 2 Argentite 2- 3 Jamesonite 2-3 Pyrolusite 2.5 Cyl1ndrite 2.5-3 Chalcocite 2.5- 3 Digenite...Siegerland. Rhineland, Germany; Bou Asser, Morocco; DR Congo; New South Wales, Australia; Sonora, Mexico; Cobalt |  | Verhaert, Michèle, Bernard, Alain, Saddiqi, Omar, Dekoninck, Augustin, Essalhi, Mourad, Yans, Johan (2018) Mineralogy and Genesis of the Polymetallic and Polyphased Low Grade Fe-Mn-Cu Ore of Jbel Rhals Deposit (Eastern High Atlas, Morocco) Minerals, 8 (2) 39 doi:10.3390/min8020039 | Journal (article/letter/editorial) | | Fe-Mn-Cu ore. Large metric veins of goethite and pyrolusite cut through Paleozoic schists that are overlaid...precipitation of a supergene ore assemblage (goethite, pyrolusite, malachite and calcite). In the Paleozoic basement...goethite precipitated first, rapidly followed by pyrolusite and other Mn oxides. Malachite formed later,...to chlorite, clays, and a mix of calcite, and pyrolusite are identified while Cu-mineralized extend from...the Triassic (Figure 3g). Goethite veins and pyrolusite are often associatedshales together and concentric |  | Santos, Felipe Holanda dos, Amaral, Wagner da Silva, Konhauser, Kurt, Martins, Douglas Teixeira, Castro, Marco Paulo de, Queiroga, Glaucia Nascimento, Chi Fru, Ernest, Andersen, Morten B. (2021) Unraveling sedimentary precursors and metal enrichment of high-grade metamorphosed manganese-rich rocks from the Borborema Province, northeastern Brazil. Ore Geology Reviews, 137. 104283pp. doi:10.1016/j.oregeorev.2021.104283 | Journal (article/letter/editorial) | | The oxidized manganese ore consists mainly of pyrolusite, manganese-oxyhydroxide and spessartine. The...ganese oxides cryptomelane (K[Mn4+, Mn2+]8O16) and pyrolusite (Mn4+O2) (Dasgupta, 1997; Johnson et al., 2016)...Francisco; 3 = São Luís; 4 = West African; and 5 = Congo cratons. Modified from Cordani et al. (2016). (B)...layers is recorded by massive crystallization with pyrolusite, manganite (Mn3+O[OH]), cryptomelane, and todorokite...have been located adjacent to the West African Congo and São Francisco cratons before the opening of |
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Kasekelesa deposit, Mutshatsha, Lualaba, DR Congo