 | | Journal (article/letter/editorial) | | phoshate mineral associations of the Tsaobismund pegmatite, Namibia Andr6-Mathieu Fransolet l, Paul Keller...one phosphate minerals occurring in the Tsaobismund pegmatite. This investigation is complemented by wet...alteration processes have been recognized in the Tsaobismund pegmatite: (i) the Mason-Quensel sequence results...Li-leaching of triphylite yielding ferrisicklerite and heterosite, successively; (ii) the metasomatic exchange...B-4000 Li6ge 1 Introduction South West Africa, or Namibia, is well known for its numerous pegmatites located |  | | Journal (article/letter/editorial) | | Mg)2PO4F, occur in the late stage period of pegmatite evolution. Unfortunately, neither are the genetic...- Clementine II, Rubicon II and III, and Tsaobismund (Namibia); Hagendorf-Stid and Rabenstein (Germany);...can now also be used in the interpretation of pegmatite evolution, just like that of the triphylite series...genetic relationships, and for a discussion of pegmatite evolution in general. Firstly, detailed chemical...triphylite series, for the interpretation of pegmatite evolution (Fransolet et al. 1986; Keller 1988; |  | | Report (issue) | | (Fe3+ , Mn3+ )PO4 Heterosite c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Orthorhombic...(ICDD 34–134). 2.452 (100), 4.31 (90), 3.46 (85), 2.92 (85), 4.94 (60), 2.412 (40), 2.96 (35) Chemistry:...Norrö pegmatite, on Rånö Island; Skrumpetorp, Östergötand; and in the Varuträsk pegmatite, 15 km...and elsewhere in South Dakota. In the Sapucaia pegmatite mine, about 50 km east-southeast of Governador...At the Tsaobismund pegmatite, 60 km south of Karibib, Namibia. From the Angarf-Sud pegmatite, Tazenakht |  | 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) | | Li-depleted minerals ferrisickleritesicklerite and heterosite-purpurite, according to the so- called Mason-Quensel...lithiophilite ) ferrisicklerite sicklerite ) heterosite purpurite: LiðFe2þ x Mn2þ 1x ÞPO4 Li1x ðFe3þ...and a completely Li-free member of the sequence heterosite-purpurite is formed. It has been suggested that...conditions of the second step, i.e., the formation of heterosite-purpurite, range from hydrothermal conditions...Mason-Quensel sequence, such as ferrisicklerite and heterosite, under hydrothermal conditions has never been |  | | Report (issue) | | = 1.790(5) β = 1.805(5) γ = 1.820(5) 2V(meas.) = ∼85◦ Cell Data: Space Group: P mnb. a = 5.918(3) b...[(PO4 )0.94 (OH)0.06 ]Σ=1.00 . (3) Angarf-Sud pegmatite, Morocco; by electron microprobe, Li2 O calculated...pegmatites. Association: Triphylite-lithiophilite, heterosite, alluaudite, phosphosiderite, cyrilovite. Distribution:...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 |  | | Report (issue) | | hydrothermally altered phosphate zone of a complex granite pegmatite (Sapucaia mine, Brazil). Association: Cyrilovite...phosphosiderite, frondelite (Sapucaia mine, Brazil); heterosite, strengite, cyrilovite, leucophosphite (Hagendorf...(Hagendorf, Germany). Distribution: From the Sapucaia pegmatite mine, about 50 km east-southeast of Governador...Valadares, Minas Gerais, Brazil. At the El Criollo pegmatite, Cerro Blanco, Tanti district, 45 km west of Córdoba...Elko Co., Nevada. From the Tsaobismund pegmatite, 60 km south of Karibib, Namibia. At Anloua, near Ngaoundéré |  | | Report (issue) | | complex zoned granite Association: Barbosalite, heterosite, ferrisicklerite, triphylite, huréaulite, rockbridgeite...Sapucaia pegmatite mine, about 50 km east-southeast of Governador Valadares, and the Énio pegmatite mine...the Buranga pegmatite, Gatumba district, Rwanda. In Namibia, from the Tsaobismund pegmatite, 60 km south...south of Karibib, and at the Sandamap pegmatite, west of Usakos. From Jebilet, Morocco. In the Mangualde...Mangualde pegmatite, near Mesquitela, Portugal. Undoubtedly to be recognized at additional localities. Name: |  | | Report (issue) | | Total 99.56 (2) 0.72 0.30 99.65 (1) Mount Wills pegmatite field, Victoria, Australia; corresponds to 0.95Na0...sodium metasomatism of triphylitelithiophilite, heterosite-purpurite, or ferrisicklerite; in phosphatic...the Varuträsk pegmatite, Västerbotten, Sweden. In England, at the Tremearne pegmatite, Breage, Cornwall...the Buranga pegmatite, near Gatumba, Rwanda. In Zimbabwe, at Mterikati, Miami. In Namibia, at the Tsaobismund...Tsaobismund pegmatite, 60 km south of Karibib. In the Mount Wills pegmatite field, Victoria, Australia. Name: |  | | Book | | Twyfelfontein 7 AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree ...station Garub near Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 ....Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | Vignola, P., Diella, V., Ferrari, E. S., Fransolet, A.-M. (2011) COMPLEX MECHANISMS OF ALTERATION IN A GRAFTONITE + SARCOPSIDE + TRIPHYLITE ASSOCIATION FROM THE LUNA PEGMATITE, PIONA, LECCO PROVINCE, ITALY. The Canadian Mineralogist, 49 (3) 765-776 doi:10.3749/canmin.49.3.765 | Journal (article/letter/editorial) | | SARCOPSIDE + TRIPHYLITE ASSOCIATION FROM THE LUNA PEGMATITE, PIONA, LECCO PROVINCE, ITALY Pietro VIGNOLA§...Abstract Phosphate masses have been found in a pegmatite rich in oligoclase, with minor muscovite and schorl...alteration-induced phosphate minerals: ferrisicklerite, heterosite, kryzhanovskite, ferrostrunzite, jahnsite-(CaMnFe)...transformation of triphylite into ferrisicklerite and heterosite, is marked by a progressive leaching of Li and...kryzanovskite by auto-oxidation as well. Keywords: pegmatite phosphates, graftonite + sarcopside alteration |  | | Journal (article/letter/editorial) | | ASSEMBLAGE OF PHOSPHATE MINERALS, KIBINGO GRANITIC PEGMATITE, RWANDA ANDRÉ-MATHIEU FRANSOLET AND FRÉDÉRIC HATERT...granitic pegmatite, Rwanda, shows a striking assemblage of an alluaudite-group mineral with heterosite. The...results from an oxidation, Na+ + Fe2+ → 䡺 + Fe3+. Heterosite exhibits cracks that are parallel to one of the...product of alteration, identified as cyrilovite. Heterosite shows a chemical composition close to the idealized... The Kibingo heterosite seems to be the Fe-richest member known so far. The heterosite corresponds to |  | | Journal (article/letter/editorial) | | ferrisicklerite; the secondary phosphates are rosemaryite, heterosite-purpurite, alluaudite and v/iyrynenite. In this...generate heterosite. The occurrence of sarcopside lamellae in ferrisicklerite and heterosite is evidence...with Li and Sn, which is in agreement with the pegmatite field zonation established in the literature....Distribution of the pegmatite groups recognized in the Fregeneda area (* numbers of pegmatite types as in Table...layers. Previous works on the description of the pegmatite bodies, their mineralogy and their petrogenesis |  | Vignola, P., Diella, V., Oppizzi, P., Tiepolo, M., Weiss, S. (2008) PHOSPHATE ASSEMBLAGES FROM THE BRISSAGO GRANITIC PEGMATITE, WESTERN SOUTHERN ALPS, SWITZERLAND. The Canadian Mineralogist, 46 (3) 635-650 doi:10.3749/canmin.46.3.635 | Journal (article/letter/editorial) | | PHOSPHATE ASSEMBLAGES FROM THE BRISSAGO GRANITIC PEGMATITE, WESTERN SOUTHERN ALPS, SWITZERLAND Pietro VIGNOLA§...graftonite–triphylite-bearing LCT-type granitic pegmatite in the Alps. In 1999, in the Brissago area, in...complete section of a phosphate-bearing pegmatite dike. The zoned pegmatite is composed by four main units: 1)...have led to the formation of ferrisicklerite and heterosite in replacement of triphylite, whereas the origin...silicates indicate that this phosphate-bearing pegmatite dike belongs to a geochemically primitive system |  | 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;...several pegmatites located in Spain, Portugal, Namibia, Argentina, and Brazil. A summary of the investigated...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,...ratios decrease significantly in the samples from Tsaobismund (0.63–0.64), Portugal (0.52–0.53), and Argentina |  | | Journal (article/letter/editorial) | | crystallographic and petrogenetic significance of pegmatite phosphates Frédéric Hatert1,* Laboratoire de Minéralogie...(2014), clearly demonstrates the importance of pegmatite phosphates. For material scientists, these minerals...the temperature conditions prevailing during pegmatite differentiation processes. Keywords: Phosphates...During the hydrothermal transformations affecting pegmatite phosphates, these minerals follow an oxidation...ferrisickleritesicklerite [Li1–x(Fe3+,Mn2+)PO4] and then to heterosite-purpurite [(Fe3+,Mn3+)PO4] (Losey et al. 2004; |  | | Journal (article/letter/editorial) | | transformations of triphylite from the Nanping No. 31 pegmatite dyke, southeastern China CAN RAO1,*, RU CHENG...phosphates was investigated in the Nanping No. 31 pegmatite, southeastern China. Two types of triphylite were...lazulite, anapaite, ludlamite, Nanping No. 31 pegmatite, China. 1. Introduction Triphylite, Li(Fe,Mn)2þPO4...of the ferrisicklerite [Li1-x(Fe3þ,Mn2þ)PO4] – heterosite [(Fe3þ,Mn3þ)PO4] series; this transformation...significance. The Nanping No. 31 pegmatite is a rare-element, well mineralized pegmatite from southeast China (Yang |  | | Journal (article/letter/editorial) | | Li1–x(Fe3+,Mn2+)(PO4)–Li1–x(Mn2+,Fe3+)(PO4), and heterosite–purpurite, (Fe3+,Mn3+)(PO4)–(Mn3+,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...(1989) re-examined the samples from the Buranga pegmatite, and observed three different primary parageneses:...size of the alluaudite grains from the Buranga pegmatite, which can reach 1 cm in length, is also a good |  | | Journal (article/letter/editorial) | | GEOCHEMISTRY OF PHOSPHATES AND SILICATES IN THE SAPUCAIA PEGMATITE, MINAS GERAIS, BRAZIL: GENETIC IMPLICATIONS Maxime...Grand-Duché de Luxembourg Abstract The Sapucaia pegmatite is located in the well-known Eastern Brazilian...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...successive crystallization of ferrisicklerite and heterosite; (ii) a hydration stage transforms triphylite |  | | Journal (article/letter/editorial) | | Na-in-triphylite geothermometer: applications to natural pegmatite phosphates Frederic Hatert • Luisa Ottolini Peter...ferrisicklerite [Li1-x(Fe3?,Mn2?)PO4] from the Buranga pegmatite, Rwanda, without any replacement texture. This...(1989) re-examined the samples from the Buranga pegmatite and observed three different primary assemblages:...Kabira, Uganda; alluaudite ? ferrisicklerite ? heterosite [(Fe3?,Mn3?)PO4] in Kibingo and Wasurenge, Rwanda...[Li1-x(Fe3?,Mn2?)(PO4)–Li1-x(Mn2?, Fe3?)(PO4)] and to heterosite–purpurite [(Fe3?,Mn3?) (PO4)–(Mn3?,Fe3?)(PO4)] |  | Baijot, Maxime, Hatert, Frédéric, Dal Bo, Fabrice, Philippo, Simon (2014) Mineralogy and petrography of phosphate mineral association from the Jocão pegmatite, Minas Gerais, Brazil. The Canadian Mineralogist, 52 (2) 373-397 doi:10.3749/canmin.52.2.373 | Journal (article/letter/editorial) | | PHOSPHATE MINERAL ASSOCIATIONS FROM THE JOCÃO PEGMATITE, MINAS GERAIS, BRAZIL Maxime BAIJOT, Frédéric...Grand-Duché de Luxembourg Abstract The Jocão pegmatite (or Cigana) is located in the well-known Eastern...mineral masses were collected from the dumps of the pegmatite: association I is composed of dendritic triphylite...erite-heterosite; and association III shows exsolution lamellae of ferrisicklerite-heterosite in massive...by Li-leaching, leading to ferrisicklerite and heterosite. The second hydrothermal stage corresponds to |  | | Journal (article/letter/editorial) | | significance of phosphates from the Fregeneda-Almendra pegmatite field, Central Iberian Zone (Spain and Portugal)...reflect compositional differences depending on the pegmatite type. The Fe/(Fe+Mn) ratio of phosphates tends...identified new phosphates and other types of pegmatite where phosphates are common (Roda et al. 2007)...Roda-Robles et al. Fig. 1 Distribution of the pegmatite types in the Fregeneda-Almendra area. Legend:...were collected from all pegmatite types, with the exception of type 5 pegmatite, which contains no phosphates |  | Dill, H. G., Melcher, F., Gerdes, A., Weber, B. (2008) THE ORIGIN AND ZONING OF HYPOGENE AND SUPERGENE Fe-Mn-Mg-Sc-U-REE PHOSPHATE MINERALIZATION FROM THE NEWLY DISCOVERED TRUTZHOFMUHLE APLITE, HAGENDORF PEGMATITE PROVINCE, GERMANY. The Canadian Mineralogist, 46 (5) 1131-1157 doi:10.3749/canmin.46.5.1131 | Journal (article/letter/editorial) | | NEWLY DISCOVERED TRUTZHOFMÜHLE APLITE, HAGENDORF PEGMATITE PROVINCE, GERMANY Harald G. DILL§ and Frank MELCHER...(THM) at the western border of the Hagendorf Pegmatite Province, Germany. We describe the sequence of...silicates. In contrast with the neighboring Hagendorf pegmatite, the magmatic and hydrothermal phosphate mineralization...des silicates de Sc. Contrairement au cas de la pegmatite de Hagendorf voisine, les assemblages magmatiques...Trutzhofmühle, at the western border of the Hagendorf Pegmatite Province, Germany, renowned for its mineral wealth |  | | Journal (article/letter/editorial) | | Abstract A sample from the Koktokay No. 3 granitic pegmatite, Altai Mountains, northwestern China, which shows...crystal chemistry. Sommaire Un échantillon de la pegmatite Koktokay No. 3, Altaï, République populaire de...[Li1–x(Fe3+,Mn2+) (PO4) – Li1–x(Mn2+,Fe3+)(PO4)] and heterosite – purpurite [(Fe3+,Mn3+)(PO4) – (Mn3+,Fe3+)(PO4)]...100,000 pegmatite dykes occur in the Chinese Altai pegmatite field; the Koktokay No. 3 pegmatite is one...one of the most strongly zoned. This pegmatite, which shows a NW–SE elongation, intrudes a metagabbro located |  | | Journal (article/letter/editorial) | | phosphate mineralization in the Hagendorf-Pleystein pegmatite province H. G. DILL1,*, B. WEBER2, A. GERDES3...Silbergrube Aplite (SA) in the Hagendorf-Pleystein Pegmatite District, near Waidhaus, Germany, is a mildly...SA differs from other aplitic mobilizates in the region in having a less well developed strain-related...the felsic aplitic-pegmatitic mobilizates in this region and is overprinted by an epithermal phosphate system...operating feldspar mine in the Hagendorf-Pleystein Pegmatite Mining * E-mail: dill@bgr.de DOI: 10.1180/minmag |  | Dill, Harald G., Skoda, Radek, Weber, Berthold, Müller, Axel, Berner, Zsolt A., Wemmer, Klaus, Balaban, Sorin-Ionut (2013) Mineralogical and chemical composition of the Hagendorf-North Pegmatite, SE Germany – a monographic study. Neues Jahrbuch für Mineralogie - Abhandlungen: Journal of Mineralogy and Geoche, 190 (3) 281-318 doi:10.1127/0077-7757/2013/0244 | Journal (article/letter/editorial) | | and chemical composition of the HagendorfNorth Pegmatite, SE Germany – a monographic study Harald G. Dill...Hagendorf-North is a zoned Li-Nb-P-feldspar-quartz pegmatite located W of the village of Hagendorf and about...Hagendorf-South deposit which once was the largest feldspar pegmatite in Central Europe. Hagendorf-North also known...already before the onset of World War II, the pegmatite has no longer been considered an economic target...size in the shadow of this huge Hagendorf-South pegmatite is due to its overall role as feeder system to |
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