 | | Journal (article/letter/editorial) | | bolivarite has been found in the Kobokobo pegmatite, Kivu, Republic of Congo (Kinshasa). This amorphous mineral...4--5 H~O. Both known bolivarites from Spain and Congo contain abnormal amounts of U. The bright green...green mineral found in the pegmatite of Kobokobo, Kivu, Republic of Congo (Kinshasa), was determined...determination of this hydrated aluminium phosphate of Kobokobo, the mineral has been completely investigated...study it emerges that the so-called evansite of Kobokobo is in fact a bolivarite. Physical properties |  | | Report (issue) | | c = 9.068(6) X-ray Powder Pattern: Kobokobo pegmatite, Congo. 7.95 (100), 3.972 (80), 3.271 (40), 3...2.39 9.86 [8.39] Total [100.00] (1) Kobokobo pegmatite, Congo; by electron microprobe, average of three...19 )Σ=0.98 O4 ]2 (OH)9 • 9.5H2 O. Occurrence: pegmatite. A rare secondary mineral in the oxidized uraniferous...muscovite, albite, quartz. Distribution: (Zaire). Name: From the Kobokobo pegmatite, Lusungu River district...district, Kivu Province, Congo For Kamituga, Congo, the mining center on which exploitation of Kobokobo depended |  | | Journal (article/letter/editorial) | | occurring at the Kobokobo pegmatite in the Sud-Kivu Province, Democratic Republic of Congo; its structure...2013). The Kobokobo pegmatite in the Sud-Kivu Province (western Democratic Republic of Congo, Africa) (Safiannikoff...phosphates within the U-bearing quartz– albite–muscovite pegmatite. This pegmatite is a typelocality for twelve...have been conducted, structures of many of the Kobokobo type minerals remain unknown. Results of a study...kamitugaite crystals growing in a fissure. Kobokobo pegmatite, specimen no. RMG13986, Royal Museum for |  | | Report (issue) | | c = 10.60(3) X-ray Powder Pattern: Kobokobo pegmatite, Congo. 7.80 (100), 3.87 (80), 3.15 (70), 2.99...8.91 7.87 Total [100.00] 100.00 (1) Kobokobo pegmatite, Congo; by electron microprobe, average of seven...uraniferous oxidized zone of a complex zoned granite pegmatite. Association: Meta-autunite, furongite, phosphuranylite...columbite, feldspar, quartz. Distribution: (Zaire). Name: From the Kobokobo pegmatite, Lusungu River district...district, Kivu Province, Congo For the typical triangular habit of the crystals. Type Material: Royal |  | | Report (issue) | | Herderite, apatite, quartz (Alto Bernardino, Brazil); monazite, sphalerite, pyrite, barite, quartz (Wigu carbonatite...from the Rapid Creek-Big Fish River area, Yukon Territory, Canada. In Germany, large crystals from the Fuchsbau...Switzerland. From the Kobokobo pegmatite, Lusungu River district, Kivu Province, Congo (Zaire). In the Wigu...about 64 km south of Morogoro, Tanzania. From near Myponga Beach, Fleurieu Peninsula, South Australia. |  | | Journal (article/letter/editorial) | | ](OH)3(H2O)9, from the Kobokobo pegmatite (Kivu, Democratic Republic of Congo), was refined from single...crystal structure, aluminium, uranyl phosphate, Kobokobo, formula revision Received: 20 December, 2016;...uraniferous quartz–albite–muscovite pegmatite of Kobokobo, situated in the region of Kivu in the western...western Democratic Republic of Congo (DRC). This pegmatite is the type-locality for twelve actinides- and...2O) 10, was originally described from the Kobokobo pegmatite by Deliens and Piret (1979), and is associated |  | | Journal (article/letter/editorial) | | a new mineral from the Kobokobo pegmatite, Democratic Republic of the Congo. European Journal of Mineralogy...mineral from the Kobokobo pegmatite, South Kivu Province, Democratic Republic of the Congo. The Kobokobo...beryl-columbite/berylphosphate subtype. An upper branch of the pegmatite contained Th-rich uraninite, fluorapatite, and...interpreted as one of the latest forming minerals in the Kobokobo assemblage, as a result of supergene weathering...the upper branch of the albite-beryl-microcline pegmatite. Kobokoboite occurs as crusts and coatings of |  | | Journal (article/letter/editorial) | | Rare-Metal Granitic Pegmatites, Related Aplites, Quartz Veins and Mineral Deposits N. VARIbAMOFF White...be summarised as follows: (a) The rare-metal pegmatite types succeed each other in a more or less defined...(b) The spatial distribution of the rare-metal pegmatite types in or around the granitic intrusions depends...depths, the rare-metal pegmatites and partially the quartz veins and the associated mineralizations are located...greather depths, the rare-metal pegmatites, the quartz veins and the associated mineralizations as well |  | | Journal (article/letter/editorial) | | Delhayelite Delhayelite, anew silicate from the Belgian Congo. Tn. G. Serrtu.n,,txlK.ttHvronBN. M inu al,og.M...kalsilite-melilite-nephelinite lava, Mt. Shaheru, Belgian Congo (see gotzenite, combeite, kirschsteinite, Am. Mineral...geologist, "a pioneer in the exploration of North Kivu." M,F Angelellite Paur. R,luroun, F. Alrr,rrr.o...kaolinized orthoclase, and limonite, minor fluorite, quartz, apatite, zircon, chlorite, piagioclase, rutile...orthoclase O.42, apatite 0 92, cassiterite 0.32, quartz 0.33, rutile 0.15/s, giving the formula (Bao s |  | | Journal (article/letter/editorial) | | Recalculation, deducting (based on microscopic counts) quartz 4'0, 49; 5 6; chalcocite renierite 13.4, 8.0; tennantite...from the Prince Leopold Mine, Kipushi, Belgian Congo, in a similar mineral assemblage The name is for...lusungite en provenance de la pegmaLite de Kobokobo (Kivu-Congo Belge). Soc. bel'gegeotr,paleontol,,et hydrol...of the Kobokobo pegmatite. It is dark brown and is associatedwith goethite (limonite) and quartz. X-ray...minerai was found as thin veinlets (<2 mm.) in quartz-anthophyllite-cordierite rock at Orijarvi mine |  | | Journal (issue) | | Wilson & T. P. Moore Reichenstein-Grieserntal Quartz Twins: Two Angles Named in a single Twin Law.....Type Mineralogy of the Democratic Republic of the Congo................................................... Hickox, Jr. Wally Mann Keith and Diane Brownlee Dr. Nikolas Golosow William B. (Bill) Wray Herb & Monika...plumbogummite specimens, both lie nearly 40 km to the south (as the crow flies). HISTORY The Laohuan “mine”...thickly coated the walls of cavities in massive white quartz, forming botryoidal to vermiform surfaces from |  | | Journal (article/letter/editorial) | | to 50 X 50 cm in schlieren of alkali granite pegmatite of the Khan-Bogdinskii massif, Mongolia; which...xenoliths of acid volcanic rocks. The pegmatite consists of quartz, microcline, albite, aegirine, and arfvedsonite...The mineral occurs in nodules in the Kobokobo pegmatite, Kivu, Congo Republic (Kinshasa), associated with...orpinent' realgar, getchellite, calcite, fluorite, quartz, and others' It is replaced in places by cinnabar...hematite, in dolomite-calcite gangue. The name is for Dr. Thomas Kruta, Director of the MinH,O (170-280") |  | | Book | | traditional local names, given by miners (e.g. quartz, "mispickel'; the French name for arsenopyrite...popular names, for instance different varieties of quartz such as amethyst (purple), agate (banded fine microcrystalline}...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...Haut-Loma mi Province. What formerly was called the Bas-Congo Province is known today by the name of Central Kongo |  | | Journal (article/letter/editorial) | | with brookite and iron oxy-hydroxides in vugs of quartz veins. Electron microprobe analysis gave (mean...with the mineral assemblage formed exclusively by quartz and molybdenite, with trace amounts of chalcopyrite...(8) Kobokobo pegmatite, Democratic Republic of Congo Kuttakuzhi, Kerala, India Kobokobo pegmatite, Democratic...Democratic Republic of Congo Gooddays mine, Mutoko Districk, Zimbabwe (9) (10) (11) (12) Silicates Ciprianiite...density, is 1.838. Cabvinite occurs in small vugs of quartz veins associated with brookite and iron oxy-hydroxides |  | | Journal (article/letter/editorial) | | X, no.3, març 10' 1.- Cacoxenite sphaerules on quartz. R. Muñoz collection. Honorio Cócera photomicrography...was carried out on the backs of megacrystals of quartz and mica donkeys or mules. Ore with better (Palero...In general, the operators were not alternating quartz and apatite. the owners of the deposits, but worked...on the mineral quality, between formation of the quartz-apatite mineralization, and appear 12 and 25 reales... Cacoxenite in radial aggregates of acicular crystals on quartz. J. Viñals collection. Group of strengite crystals |  | | Book (edition) | | This book is respectfully dedicated to the memory of Dr. John Sinkankas for his kind initiative and support...very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names...by Strunz (1996). Thanks to the kind permission of Dr. E. Nagele from the E. Schweizerbart'sche Verlagsbuchhandlung...polished mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage...arisen with localities in Congo-Zaire: the country, named Democratic Republic of Congo since 1960, was changed |  | | Book | | ancient workings of turquois were located on the south slopes of the Ali-Mirsa-Kuh mountains near Nishapur...phosphorus handbook. Wiley. New York Moore PB (1982) Pegmatite minerals ofP(V) and B(III). Mineral Assoc Can...brecciated metamorphosed rock phosphate at Moculta, South Australia Optical constants: Not certain; low birefringence...California. The associated minerals include witherite, quartz, fluorapatite and sanbornite Optical Constants:...03(30), 1.928(30) Ref: Newberry NG, Essene EJ, Peacor DR (1981) Am Miner 66: 1050-1053 AUuaudite Series (includes |  | | Book | | England Thomas Nelson Australia 102 Dodds Street South Melbourne 3205 Victoria, Australia Nelson Canada...Vitreous colorless, white. Dutoitspan mine, Kimberley, South Africa. H= 4.5, Djjj= 2.630, D(.= 2.646, VIIIA 10...orange-brown. Alcatore Creek, Eastern Otago, Dunedin, South Island, New Zealand. H= 6, Djj4= 3.48, D(,= 3.47...Pearly colorless. Moculta quarry, Angaston (near), South Australia, Australia. H= 2, Djn=?, 0^= 2.15, VHD...AlTh(U02)7(P04)402(0H)5 • I5H2O, E Trie. Transparent yellow. Kobokobo, Kivu, Zaire. H=?, Djjj= 3.9, D(;= 3.98, VHD 21. |  | | Journal (article/letter/editorial) | | in the north; and Zurich, Switzerland, in the south. The mine gained fame because of the numerous minerals...Halloysite-7Å in white and green botryoidal clusters on quartz, 7.9 cm. Museum for Minerals and Mathematics Oberwolfach...and pink-brown coarse barite with fragments of quartz-bearing host rock. A uranium-bismuth-vanadium zone...Wolfach. The mineral species associated with it are quartz, fluorite, cornwallite, cuprite, and connellite...(Kaiser 1984), made a great find: quartz cavities to 10 cm, lined with quartz crystals to 1 cm, that were covered |  | | Report (issue) | | Cover: The De Wet Shaft, Tsumeb mine (photograph by Dr Gabi Schneider, Geological Survey of Namibia) MINISTRY...iron oxides, malachite, wulfenite, cerussite and quartz. 14 2. Approved Namibian type minerals It has...Brabantite was first described from the Van der Made pegmatite on the farm Brabant 86, west of Etiro in the Kari...Silesia, Poland (Kucha, 1979); Olympic Dam prospect, South Australia (Mumme et al., 1988); West Caradon mine...mine, Cornwall (Lawrence , 1990); Iron Monarch, South Australia (Pring et al., 1990) and Alaska mine, Zimbabwe |  | | Book | | photographs on the cover Editor Robert F. Martin Quartz, variety amethyst, sceptre habit, Denny Mountain...Info 1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian...Printing AGMV Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia...except for: Boulangerite, Fluorite, Hematite, Smoky Quartz and Riebeckite / Royal Ontario Museum collection...the particular polymorphic forms, e.g., a- and B-quartz. assignment of a name, such as exist for chemical |  | | Journal (article/letter/editorial) | | wolframite- and sulphide-bearing quartz vein belonging to a quartz-tungsten-stockwork genetically connected... a new mineral from the Kobokobo pegmatite, Democratic Republic of the Congo. Eur. J. Mineral., 22, 305–308 |  | | Book (edition) | | Pennsylvania, and from the Kobokobo quarry, near Kamituga, Dern. Rep. of Congo. EJM 23, 269-277, 2011. ...5.1(6) - 2.65(6) - 2.44(5). At Broken Hill, New South Wales, Australia. IMA 2010-029. Aleksandrovite KLi3CaSn...late-stage hydrothermal mineral in a syenite pegmatite at Tvedalen, Langesundsfjord, Vestfold, Norway...Intergrown in thaleniteM crystals from the NYF-pegmatite at Askagen quarry, Viirmland, Sweden, in tiny...and on mine dumps of the Lloyd mine, Burraga, New South Wales, Australia. AM 91, 261-269, 2006. Alum-K renamed |  | | Book (edition) | | Utah; (lower /eft) rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud...England Thomas Nelson Australia 102 Dodds Street South Melbourne, Victoria 3205, Australia Nelson Canada...Calcite Fluorite Apatite 6 7 8 9 10 Orthoclase Quartz Topaz Corundum Diamond In a few descriptions we...crystallize with right- or left-handed forms (e.g., quartz). epitaxy Overgrowth of one crystal on another...(4) fluorite, (5) apatite, (6) orthoclase, (7) quartz, (8) topaz, (9) corundum, (10) diamond. monochromatic |  | | Book | | known to humankind since prehistoric times such as quartz and gold, but also minerals first described quite...magmatic or hydrothermal origins of elbaite in the pegmatite cavities; the mctamorphic or hydrothermal origins...information. This book is dedicated to the memory of Dr. Jaroslav "venek, who was of extraordinary influence...secondary. It occurs with pyrite, arsenopyrite, quartz, sylvanite. calaverite. krennerite and other minerals...in many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes |
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