 | | 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 |  | | Report (issue) | | X-ray Powder Pattern: Outpost mine, White Picacho district, Arizona, USA. 2.548 (100), 3.051 (89), 3.516...usually primary but rarely secondary. Association: Sicklerite, purpurite, huréaulite, numerous Fe–Mn phosphates...the White Picacho district, Yavapai Co., Arizona; at several mines in the Pala district, San Diego Co.,...Manitoba. From the Mangualde pegmatite, near Mesquitela, and the Bendada pegmatite, near Guarda, Portugal....Viitaniemi pegmatite, near Eräjärvi, Finland. Large masses in the Blesberg mine, Noumas pegmatite, Northern |  | | Report (issue) | | leucophosphite, huréaulite, lithiophilite, stewartite, sicklerite, rockbridgeite, phosphosiderite, strunzite, switzerite...west of Hillside, Bagdad district, Yavapai Co., Arizona; in the Williams pegmatite, Coosa Co., Alabama; at...El Criollo pegmatite, Cerro Blanco, Tanti district, 45 km west of Córdoba, Córdoba Province, Argentina...Boolcoomata, South Australia. From the Sapucaia pegmatite mine, about 50 km east-southeast of Governador...At the Buranga pegmatite, near Gatumba, Rwanda. In the Kobokobo pegmatite, Lusungu River district, Kivu |  | | Report (issue) | | [(PO4 )0.94 (OH)0.06 ]Σ=1.00 . (3) Angarf-Sud pegmatite, Morocco; by electron microprobe, Li2 O calculated... Polymorphism & Series: Forms a series with sicklerite. Occurrence: Formed by late hydrothermal alteration...Varuträsk pegmatite, 15 km northwest of Skellefteå, Västerbotten; at the Norrö pegmatite, on Rånö...Angarf-Sud pegmatite, Tazenakht Plain, Anti-Atlas Mountains, Morocco. At the Souchon pegmatite, Lamativi...Zimbabwe. In the Buranga pegmatite, Gatumba district, Rwanda. From the Tsaobismund pegmatite, 60 km south |  | Vignola, Pietro, Hatert, Frédéric, Roda-Robles, Encarnación, Simmons, William B., Francis, Carl A. (2014) PEGMATITIC PHOSPHATE: A TRIBUTE TO FRANÇOIS FONTAN, ANDRÉ-MATHIEU FRANSOLET, AND PAUL KELLER. The Canadian Mineralogist, 52 (2) 121-128 doi:10.3749/canmin.52.2.121 | Journal (article/letter/editorial) | | the petrologic processes involving both single pegmatite dikes and entire pegmatitic swarms or fields....revealing the geological history of the hosting pegmatite. The central part of the 20th century was characterized... occurrence, and the features of the hosting pegmatite. As an example, the first complete descriptions...phosphate paragenesis characterizing a specific pegmatite are due to Mason (1941) and Quensel (1952), who...studies about: primary hagendorfite at the Kibingo pegmatite (Fransolet et al. 2004); the minerals belonging |  | Langer, Klaus, Taran, Michail N., Fransolet, André-Mathieu (2007) Electronic absorption spectra of phosphate minerals with olivine-type Structures: II. The oxidized minerals ferrisicklerite, M1[6](1xLix)M2[6](Fe3+1xMn2+x)[PO4], and heterosite,M1[6](1.00)M2[6](Fe3+1xMn3+x)[PO4], with x 0.5. European Journal of Mineralogy, 19 (4) 589-592 doi:10.1127/0935-1221/2007/0019-1742 | Journal (article/letter/editorial) | | manganese, with x 0.5, or to brownish-yellow sicklerite and to deep violet purpurite, when manganese...studied. Ferrisicklerite Origin: Sidi Bou Othmane pegmatite, Jebilet, Morocco. Chemical composition, neglecting...pleochroism observed. Heterosite Origin: Buranga pegmatite, Rwanda, #RGM 7972 Chemical composition: 3+ (Fe3+...case of ferrisicklerite from Sidi Bou Othmane pegmatite, Jebilet, Morocco, which would have been necessary...In the case of heterosite-bearing sample from Buranga it was possible in addition to the powder spectra |  | | Journal (article/letter/editorial) | | from their oxidation products ferrisicklerite–sicklerite, Li1–x(Fe3+,Mn2+)(PO4)–Li1–x(Mn2+,Fe3+)(PO4)...between 400 and 600C, during the first stages of pegmatite evolution [hühnerkobelite is not a valid species...alluaudite and ferrisicklerite from the Buranga pegmatite, Rwanda, without any replacement texture. This...Héreng (1989) re-examined the samples from the Buranga pegmatite, and observed three different primary parageneses:...large size of the alluaudite grains from the Buranga pegmatite, which can reach 1 cm in length, is also a |  | Galliski, M. A., Oyarzabal, J. C., Marquez-Zavalia, M. F., Chapman, R. (2009) THE ASSOCIATION QINGHEIITE - BEUSITE - LITHIOPHILITE IN THE SANTA ANA PEGMATITE, SAN LUIS, ARGENTINA. The Canadian Mineralogist, 47 (5) 1213-1223 doi:10.3749/canmin.47.5.1213 | Journal (article/letter/editorial) | | QINGHEIITE – BEUSITE – LITHIOPHILITE IN THE SANTA ANA PEGMATITE, SAN LUIS, ARGENTINA Miguel Angel GALLISKI §...Ana mine (32°53’32” S, 65°55’43” W), San Luis province, Argentina, in a beryl type, beryl–columbite–phosphate...beryl–columbite–phosphate subtype of rare-element pegmatite, and in the closely related La Empleada dike. At Santa Ana...crystallization of the border and wall zones of the pegmatite. The exsolution of this precursor led to the formation...beusite, lithiophilite, exsolution, granitic pegmatite, Santa Ana, Sierras Pampeanas, Argentina. Sommaire |  | | Journal (article/letter/editorial) | | 843 A STRUCTURAL STUDY OF THE LITHIOPHILITE–SICKLERITE SERIES Frédéric HATERT§ Laboratoire de Minéralogie...Abstract A sample from the Koktokay No. 3 granitic pegmatite, Altai Mountains, northwestern China, which shows...transition from lithiophilite [LiMn2+PO4] to sicklerite [Li1–xMn2+PO4], was investigated by single-crystal...shows colorless lithiophilite and deep-orange sicklerite, as well as several intermediate phases. The...of the lithium content from lithiophilite to sicklerite. Five crystals were extracted from the thin section |  | | Journal (article/letter/editorial) | | Na-in-triphylite geothermometer: applications to natural pegmatite phosphates Frederic Hatert • Luisa Ottolini Peter...assemblages from the Kibingo (Rwanda), Hagendorf-Süd (Germany), and Buranga (Rwanda) pegmatites, respectively...ferrisicklerite [Li1-x(Fe3?,Mn2?)PO4] from the Buranga pegmatite, Rwanda, without any replacement texture. This...Héreng (1989) re-examined the samples from the Buranga pegmatite and observed three different primary assemblages:...Hagendorf-Süd, Germany; alluaudite ? fillowite in Rusororo, Rwanda, and Kabira, Uganda; alluaudite ? ferrisicklerite |  | Schmid-Beurmann, Peter, Ottolini, Luisa, Hatert, Frédéric, Geisler, Thorsten, Huyskens, Magdalena, Kahlenberg, Volker (2013) Topotactic formation of ferrisicklerite from natural triphylite under hydrothermal conditions. Mineralogy and Petrology, 107 (4) 501-515 doi:10.1007/s00710-012-0250-6 | Journal (article/letter/editorial) | | triphylite lithiophilite ) ferrisicklerite sicklerite ) heterosite purpurite: LiðFe2þ x Mn2þ 1x...the crystal. So a member of the ferrisicklerite-sicklerite solid solution is formed. In the second step...formed. It has been suggested that ferrisicklerite-sicklerite develops metasomatically under hydrothermal conditions...material for Li, triphylite from the Buranga pegmatite (Rwanda), with a Li content of 9.96 wt.% Li2O...the Li-depleted solid solutions ferrisicklerite-sicklerite. In a special oxidation experiment starting with |  | | Journal (article/letter/editorial) | | other lithium minerals except in the Mterikati pegmatite. Lithiophorite is the only other lithium mineral...the Dam Site pegmatite. The refractive indices of montebrasite from the Benson 2 pegmatite (no. 13, table...replaces montebrasite in a sample from the Bikita pegmatite and members of the goyazite and possibly of the...in six perthite-rich pegmatites from the Miami district of Rhodesia appears to be manganoan fluorapatite...from the Bulema pegmatite (Kigezi, Uganda) have r 1.633 and 1-639. In the Bikita pegmatite, the grain-size |  | | 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) | | STRUCTURE TYPE: CONTRIBUTION TO THE PARAGENESIS OF PEGMATITE PHOSPHATE GIANT CRYSTALS Peur B. Moone, Depar...structure analysis of an alluaudite from the Buranga pegmatite, Central Africa, elucidated the crystal chemistry...derivative of triphylite, lithiophilite, ferri-sicklerite, and heterosite by Na-Li metasomatic exchange...they are called by Fisher (1953) who lists 70 pegmatite phosphate species.Recently, Moore (1970b) has...10 feet acrossare known from the Palermo No. 1 pegmatite, North Groton, New Hampshire; severalpegmatitesin |  | Hatert, Frederic, Roda-Robles, Encarnación, Ottolini, Luisa, Schmid-Beurmann, Peter, Baijot, Maxime, Dal Bo, Fabrice (2016) Triphylite–Sarcopside Miscibility Gap In the FeO–MnO–Li2O–P2O5–H2O System: Experimental Investigation and Thermometric Application To Granitic Pegmatites. The Canadian Mineralogist, 54 (4) 827-845 doi:10.3749/canmin.1600016 | Journal (article/letter/editorial) | | al. 1993). We used triphylite from the Buranga pegmatite, Rwanda, as reference material for SIMS Li-analyses;...sarcopside lamellae, is known in the Cañada pegmatite (Fig. 4c), as well as sarcopside rims surrounding...6; RodaRobles et al. 2004). In the La Empleada pegmatite, Argentina, a Mn-rich assemblage is observed,...94%, except in sample AB-2B from the Cañada pegmatite, in which the amount of triphylite is only 30%...included in triphylite (gray) from the Cañada pegmatite, Spain. The sarcopside lamellae themselves contain |  | | Journal (article/letter/editorial) | | GEOCHEMISTRY OF PHOSPHATES AND SILICATES IN THE SAPUCAIA PEGMATITE, MINAS GERAIS, BRAZIL: GENETIC IMPLICATIONS Maxime...The Sapucaia pegmatite is located in the well-known Eastern Brazilian Pegmatitic Province (EBPP), Minas...Minas Gerais, Brazil. Detailed mapping of the pegmatite body revealed five zones, showing distinct mineral...quartz core (Q). Phosphate masses found in the pegmatite contains two different assemblages: assemblage...geochemically primitive LCT-type pegmatite. The degree of differentiation of the pegmatite increases from the border |  | | Book | | phosphorus handbook. Wiley. New York Moore PB (1982) Pegmatite minerals ofP(V) and B(III). Mineral Assoc Can...Mode of Occurrence: Occurs in large masses in pegmatite at several mines in the Custer-Pringle area, Custer... South Dakota. Also found in pegmatite at Chanteloube, France; Buranga, Ruanda; Varutrask, Sweden; Sukula...Sukula and Lemnas, Finland; and in several other pegmatite deposits Amblygonite Optical Constants: IX...in Miocene clay at Bellaver de Cerdena, Gerona Province, Spain; in a bituminous clay rock at Messel, Hesse |  | | 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) | | 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);...Carletonville, Western Sector, Far West Rand (West Wits Line), Witwatersrand field, Gauteng Province, South Africa;...quartz (dark grey); New Bullfrog Mine, Bullfrog District, Nye Co., Nevada, USA (sample: Witzke); PPL If |  | | 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 (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 | | 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;...plus Gk. hydor, water, plus calcite. Khakassy District, Siberia, Russia. Bilibin, G. (1926): Soc. Russe |  | | 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 |
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