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Cryptomelane from
Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda


Locality type:Pegmatite
Classification
Species:Cryptomelane
Formula:K(Mn74+Mn3+)O16
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cryptomelane data
Locality Data:Click here to view Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda
Data Identifiers
Mindat Occurrence Record ID:790431
Long-form Identifier:1:3:790431:8
GUID (UUID V4):9136a959-1172-4c0e-9e67-9e2abe45a427
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
Li-Mn-Fe phosphate minerals from the Buranga pegmatite, Rwanda A.-M. FRANSOLET Institut de Min6ralogie...Belgium S U M M A R Y. F r o m the Buranga pegmatite, Rwanda, t h r e e occurrences of eosphorite-childrenite...ferrisickleriteheterosite formation. IN the Buranga pegmatite, Rwanda, Von Knorring (I965) has mentioned the...granitic pegmatites; this research, based only on the Buranga mine example, tends to show that new indications... Such correlations cannot be proposed for the Buranga material because the number of investigated specimens
Journal (issue)
Richard A. Bideaux M ineralogist feature articles Pegmatite Phosphates: Descriptive Mineralogy and Crystal...Supply Co. $65.00. The Mineralogical Record Pegmatite Phosphates: Descriptive Mineralogy and Crystal...phosphate minerals, which occur at all stages of pegmatite genesis, are among the most extensive of any mineral...interest in them than mineralogists. No doubt, the pegmatite phosphates prove most reward­ ing collecting material...collectors overlook them so that many of the classical pegmatite localities, presently abandoned, still may yield
Journal (article/letter/editorial)
mineralization in the Hagendorf-Pleystein pegmatite province H. G. DILL1,*, B. WEBER2, A. GERDES3 AND...Silbergrube Aplite (SA) in the Hagendorf-Pleystein Pegmatite District, near Waidhaus, Germany, is a mildly peraluminous...operating feldspar mine in the Hagendorf-Pleystein Pegmatite Mining * E-mail: dill@bgr.de DOI: 10.1180/minmag...Mineralogical Society District in Bavaria, Germany. The Hagendorf pegmatite is one of the biggest feldspar-quartz...feldspar-quartz pegmatite deposits in Europe, and has produced 4.4. Mt of ore (Forster et al., 1967) (Fig
Journal (article/letter/editorial)
phoshate mineral associations of the Tsaobismund pegmatite, Namibia Andr6-Mathieu Fransolet l, Paul Keller...phosphate minerals occurring in the Tsaobismund pegmatite. This investigation is complemented by wet chemical...processes have been recognized in the Tsaobismund pegmatite: (i) the Mason-Quensel sequence results from a...Frommurze et al. 1942), with the description of the pegmatite bodies (Cameron 1955), and with the evolution...so far about the phosphate minerals in these pegmatite, except some short descriptions (Keller 1974,
Journal (article/letter/editorial)
AND PEGMATITES IN THE HAGENDORF–PLEYSTEIN PEGMATITE PROVINCE, SOUTHEASTERN GERMANY: A STEP CLOSER TO THE...Miesbrunn pegmatite–aplite swarm (MPAS), part of the Hagendorf–Pleystein pegmatite province, southeastern...of mineralization at the deepest parts of the pegmatite, close to its root zone, and on the other, within...pegmatites (i.e., not exposed). Keywords: shear zone, pegmatite–aplite swarm, phosphate, sulfide, arsenide, Miesbrunn...investigated in France, Finland, Germany, Namibia, Rwanda, Spain and the Czech Republic (Čech et al. 1961
Book (edition)
Right (center): A fine irregular network of cryptomelane replaces a siliceous rock; even quartz grains...strong, greenish grey Mineral Permingeatite Cryptomelane Reflection Colour & Ø Reflectance Pleochroism...internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL...grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL B Same sample as above:...grey); Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Sachsen, Germany (sample: Seifert);
Book
Sciences Harald G. Dill The HagendorfPleystein Province: the Center of Pegmatites in an Ensialic Orogen...Pirajno, Geological Survey of Western Australia, and The University of Western Australia, Perth, Australia...com/series/7377 Harald G. Dill The Hagendorf-Pleystein Province: the Center of Pegmatites in an Ensialic Orogen...quartz at the core of the pegmatite is concerned. In comparison with other pegmatite deposits in the area...area, however, the Hagendorf-Pleystein Pegmatite Province (HPPP) is not only the largest concentration of
Book (edition)
of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...Colorado at the Pelican Dives mine, Silver Plume district, and at the Little Emma mine, Clear Creek County;...lode, Summit County, and in the Cripple Creek district. It is also found in Canada; Mexico; Bolivia;...California; in sodalite-syenite in the Julianehaab district, Greenland; in the liparite lavas of the island...slate and metamorphosed dolomite in the Beiyun-Obo district, Inner Mongolia, China, associated with aegirine
Book (edition)
of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...Colorado at the Pelican Dives m.ine, Silver Plume district, and at the Little Emma mine, Clear Creek County;...lode, Summit County, and in the Cripple Creek district. It is also found in Canada; Mexico; Bolivia;...Califo1nia; in sodalite-syenite in the Julianehaab district, Greenland; in the liparite lavas of the island...slate and metamorphosed dolomite in the Beiyun-Obo district, Inner Mongolia, China, associated with aegirine
Book
Lustrous black. Wilagedera prospect. North Western Province, Sri Lanka. H= 3-4, 0^= 3.94, Dg= 3.97, VIIIE...Lustrous black. Wilagedera prospect. North Western Province, Sri Lanka. H= 3-4, Djjj= 3.94, D(.= 4.22...Translucent buff, colorless. Petrogale cave, Madura, Western Australia, Australia. H=?, Djj3=?, Dq= 2.34, VHA... Metallic grey. Sedmochislenitsi mine, Vratsa district, Balkan Peninsula, Bulgaria. H= 2.5, Djj4= 6.32...Translucent dark blue-green, green. Sapucaia Pegmatite, Galileia, Minas Gerais, Brazil. H=6, Djjj=3.60
Book
42(H2O)0.18[Al2(Be2.35Li0.65)Si6O18] from Mokrusha pegmatite, Murzinka, Middle Urals (Yakubovich et al. 2009;...phosphates: nahpoite Na2(HPO4) from peralkaline pegmatite of the Lovozero massif (a), newberyite Mg(HPO4)·3H2O...of melanophlogite from Rio Fortullino, Lovorno province, Tuscany, Italy contains a strong band at 2330-2336...guano deposit on the Mt. Pabellón de Pica, Iquique Province, Tarapacá Region, Chile (Bojar et al. 2010). Now...of sturmanite from the Black Rock mine, Kuruman District, South Africa, determined from its crystal structure
Book (volume)
yegorovite Na4[Si2O4(OH)2]2·7H2O from the Palitra pegmatite, Lovozero massif, Kola peninsula hydrated proton)...Ca2B4O4(OH)7Cl·7H2O Locality: Salar de Carcote deposit, El Loa province, Antofagasta, Chile. Description: Colourless crystal...borax deposit, Salar del Hombre Muerto, Salta province, Argentina (type locality). Description: Colourless...North pegmatite, Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune, Betafo District, Vakinankaratra...Vakinankaratra Region, Antananarivo Province, Madagascar. Description: Grey grains from the association
Book
triangular agate, polygonal umgrentzte Achate (Ger.), pegmatite agates, quasicrystals, angle-plated quartz, Zwickelfülling...Fleet, 1974; Nickel, 1973). The nickel deposits of Western Australia’s Yilgarn Craton have deep weathering...minerals in a duripanson the Owyhee Plateau of south-western Idaho. Within this soil horizon, SiO2 was released...Dalradian calcareous slates and metadolostones of western Scotland, with a volume decrease of at least 47%...sedimentary rocks in the Yerrida rift basin of Western Australia. These deposits preserve various original
Book (edition)
Cand CSPG Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de...Obshchestva xiv A â–¡ Abclsonite, CJ1H32N4 Ni, tric., Western Oil Shale Corporation drill core WOSCO, Sec 36...Aktash mercury deposit, Kurai Range. Kosh-Agach district. Gomiy Altay. Russia. 58. 562. l'MR M" 111-129...Provvidenzakaolinquarry,Allumierc,Tolfa Mount district,Roma Province,Lazio,ltaly,NJMM 1976,40~17 (str.),AC 18...NaB1OiOH),. mon., Tincalayu borax deposit, Salta Province, Argentina. 52, 935-945, 60, 879-883 (str.) D
Book (edition)
expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga...Katanga administrative region again. The former Kivu province is now divided to three regions: INTRODUCTION...conditions in the gold-bearing "greenstone" in Abitibi province in northern Ontario and Quebec. Some genetic problems
Book (chapter)
triangular agate, polygonal umgrentzte Achate (Ger.), pegmatite agates, quasicrystals, angle-plated quartz, Zwickelfülling...Fleet, 1974; Nickel, 1973). The nickel deposits of Western Australia’s Yilgarn Craton have deep weathering...minerals in a duripanson the Owyhee Plateau of south-western Idaho. Within this soil horizon, SiO2 was released...Dalradian calcareous slates and metadolostones of western Scotland, with a volume decrease of at least 47%...sedimentary rocks in the Yerrida rift basin of Western Australia. These deposits preserve various original
Book (edition)
British Columbia NF Labrador (part of Newfoundland Province) MB Manitoba NB New Brunswick NF Newfoundland...Territory Queensland South Australia Tasmania Victoria Western Australia States, Mexico Aguascaientes Baja California...Co., Bonanza mine, Trinity Co., Michigan Bluff district, Placer Co., in AK, placers at Fairbanks, Iditarod...and quartz veins at Juneau. In Canada, Noranda district, PQ; Porcupine, Kirkland Lake, and Larder Lake...deposits, ON; Atlin and Caribou, BC; and Klondike district, YT. In Mexico, Altar and Magdalena, SON; Parral
Book
krup-yo, to conceal, hide Gk. kryptein, to hide cryptomelane, apochrypha lep-i, to peel Gk. lepis, a scale...Trudell, L.C. (1970): Lithologic Description of Western Oil Shale Corporation Project Utah EX—]. Laramie...(1989): Mineral. J. 14, 279. Flores mine, Huanuni District, Oruru, Bolivia. Agardite-(La) (La,Ca)Cu¢(AsO4)3(OH)6°3H20...at Ziryanovsk, Altai Mountains, Semipalatinsk Province, Kazakhstan. Rose, G. (1828) In Haidinger, W....engineer known for his work in the Limoges Altisite district. Chanteloube, Haute-Vienne, France. Na3k6Ti2[AlSigO26]Cl;
Book
Greece 22:303-308 ALBERTA Mineral occurrences in western Canada [British Columbia and Alberta] (by A. Ingelson)...Strontian crandallite from the Alto Benedeto pegmatite, Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto)...21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil 25:165-170 9 AUTHOR/TITLE...23:209-225. 23:228 Al 'JAJ\ABO~OINA The Anjanabonoina pegmatite. Madagascar (by W. E. Wilson) 20:191-200 A.'\...ARGYLEMlNE Diamonds from [the Argyle mine,] Kimberley, Western Australia (by J. D. Grice & G. L. Boxer) 21:559-564
Journal (volume)
for the sandy soils of Divjaka region (Central-western Albania). The experiment was realized in a greenhouse...February 1987 in Luc Yen (a small city in Yen Bai province, N- Vietnam), this country is an important source...from Burma. On the way from the capital of the province, which is also named Yen Bai, to Luc Yen, a new...and zircon. The 248 Ma Rb/Sr age of the Glinka pegmatite is consistent with that of the Murzinka pluton...05 to 0.36, with a clear increase toward the pegmatite body. Phlogopite associated with talc is lowest
Report (issue)
(1983) (English). Microprobe analyses (13) from western Lepontine, Alps. AMPHIBOLE. Frechen (Neues Jahrb... 143-155 (1983). Mioroprobe analyses (4) from western Scotland. AMPHIBOLE. Moore, J. Petrol. 25, 126-150... 397-414) (1987) Microprobe analyses (7) from Western Alps, Italy AMPHIBOLE. Poporadze, (Nauchn. Tr....415-436) (1987) Microprobe analyses (4), Grenville Province, Canada. AMPHIBOLE. Thomson et al. (Can. Mineral...Mineral. Abstr. 35, 77 (1984). Occurrence in pegmatite, Bulgaria, Optics. ANDALUSITE. Pokrovskii and
 
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