 | | Journal (article/letter/editorial) | | the muscovite ^lepidolite series from Karibib pegmatites, Namibia E. RODA1,*, P. KELLER2, A. PESQUERA1...Kristallchemie, Universitat Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany 3 Laboratoire de Cristallographie...evolved pegmatites from the Okatjimukuju-Kaliombo portion of the Karibib belt, Namibia. The compositional variations...degree of pegmatite evolution, but also on the position in the internal zonation of the pegmatite. Micas...could be related to subsolidus processes. Some pegmatite bodies show a complete internal evolution, developed |  | Keller, Paul, Fontan, François, Roldan, Francisco Velasco, de Parseval, Philippe (2007) Joosteite, Mn2+(Mn3+, Fe3+)(PO4)O: a new phosphate mineral from the Helikon II Mine, Karibib, Namibia. Neues Jahrbuch für Mineralogie - Abhandlungen, 183 (2) 197-201 doi:10.1127/0077-7757/2007/0069 | Journal (article/letter/editorial) | | new phosphate mineral from the Helikon II Mine, Karibib, Namibia Paul Keller, François Fontan, Francisco...found in the granitic rare element pegmatite Helikon II, Karibib, Namibia. The new mineral is the Mn3 + -analogue...new mineral honours Mrs. Charlotte Jooste, Karibib, Namibia. Key words: Joosteite, Mn2 + (Mn3 + , Fe3...staněkite, granitic pegmatites, Helikon II mine, Karibib, Namibia. Introduction During a research program...dumps of the Helikon II pegmatite, Okongava-Ost farm (No. 72), Karibib, Namibia. It turns out that the |  | | Journal (article/letter/editorial) | | Intercrystalline cation partitioning between minerals of the triplite-zwieselite-magniotriplite and the triphylite-lithiophilite...triphylite-lithiophilite, Li(Fe, Mn)PO4, and the triplite-zwieselite-magniotriplite series, (Mn, Fe, Mg)2PO4F...Mg)2PO4F, occur in the late stage period of pegmatite evolution. Unfortunately, neither are the genetic...granitic pegmatites - Clementine II, Rubicon II and III, and Tsaobismund (Namibia); Hagendorf-Stid and...crystallization, but to later diffusion processes. The triplite structure has preference for Mn, Mg, and Ca, while |  | Baldwin, J. R., Hill, P. G., von Knorring, O., Oliver, G. J. H. (2000) Exotic aluminium phosphates, natromontebrasite, brazilianite, goyazite, gorceixite and crandallite from rare-element pegmatites in Namibia. Mineralogical Magazine, 64 (6) 1147-1164 doi:10.1180/002646100549940 | Journal (article/letter/editorial) | | and crandallite from rare-element pegmatites in Namibia J. R. BALDWIN1,*, P. G. HILL2, O. VON KNORRING3...rare-element pegmatites from the KaribibUsakos area, Namibia, have been investigated using the electron microprobe...F) is reported from the Daheim pegmatite. In the Okatjimukuju pegmatite, montebrasite has been replaced...with crandallite, goyazite and gorceixite at Okatjimukuju. The occurrence of these minerals offers insight...post-magmatic fluids in these pegmatites. K EY WORDS : Namibia, exotic aluminium phosphates, lithium pegmatites |  | 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...gave a complete description of the mineralogy of triplite. Paul Brian Moore described a great number of |  | | 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, Pietro, Gatta, G. Diego, Hatert, Frédéric, Guastoni, Alessandro, Bersani, Danilo (2014) On the crystal-chemistry of a near-endmember triplite, Mn2+2(PO4/sub>)F, from the Codera valley (Sondrio Province, Central Alps, Italy) The Canadian Mineralogist, 52 (2) 235-245 doi:10.3749/canmin.52.2.235 | Journal (article/letter/editorial) | | ON THE CRYSTAL-CHEMISTRY OF A NEAR-ENDMEMBER TRIPLITE, Mn2+2(PO4)F, FROM THE CODERA VALLEY (SONDRIO...Abstract The crystal-chemistry of a near-endmember triplite, a manganese fluoro-phosphate [ideal chemical...106.16(2)°; space group I 2/a], from a granitic pegmatite exposed in the Codera Valley (Sondrio Province...with Fo > 4σ(Fo). The structure refinement of triplite from the Codera Valley confirms the topological...difference-Fourier maps of the electron density of triplite from the Codera Valley reveals a unique position |  | | Journal (article/letter/editorial) | | primary phases as wyllieite, graflonite, sarcopside, triplite-zwieselite and ferrisicklerite; the secondary...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...phosphates that appear in the various different pegmatite bodies, as well as to specify the mineralogical |  | | Journal (article/letter/editorial) | | crystallized to form a group of intra-granitic pegmatite dykes, which are hosted by its outermost facies...fractures to form the Cruz del Rayo field of pegmatite dykes, which are hosted by pre-Ordovician low-grade...of primary phosphates, including members of the triplitezwieselite and the amblygonitemontebrasite series...series. A strong albitization of the granitic and pegmatite rocks led to the replacement of the primary assemblage...rise to the crystallization of ore minerals and triplite, and altered the granites, aplites and pegmatites |  | 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...intra-aplitic sequences 2 to 5 are characterized by triplite, wolfeite, triploidite, an unnamed K–Ba–Sc–Zr...silicates. In contrast with the neighboring Hagendorf pegmatite, the magmatic and hydrothermal phosphate mineralization...to complex mineral aggregates (stubby kolbeckite II) produced under weathering conditions. The latest |  | | Journal (article/letter/editorial) | | strunzite derived from jahnsite at the Hagendorf-Süd pegmatite, Germany I. E. GREY1,*, C. M. MACRAE1, E. KECK2...altered zwieselite samples from the phosphate pegmatite at Hagendorf Süd, Bavaria, Germany. Synchrotron...in phosphate is a common feature of secondary pegmatite phosphate alteration (Fransolet, 1980; Keller...2012 The Mineralogical Society The feldspar pegmatite at Hagendorf Süd, Bavaria, contains a large number...of the phosphate minerals from the Hagendorf pegmatite province, but provided no details of its composition |  | 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...kryzanovskite by auto-oxidation as well. Keywords: pegmatite phosphates, graftonite + sarcopside alteration...masses de phosphates ont été récoltées dans une pegmatite, riche en oligoclase, avec muscovite et schorl...par auto-oxydation. Mots-clés: phosphates de pegmatite, altération de graftonite + sarcopside, analyses |  | | Journal (article/letter/editorial) | | 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...stable and crystallize from the first stages of pegmatite evolution to the latest oxidation processes. Since |  | Roda, Encarnación, Pesquera, Alfonso, Fontan, François, Keller, Paul (2004) Phosphate mineral associations in the Cañada pegmatite (Salamanca, Spain) : Paragenetic relationships, chemical compositions, and implications for pegmatite evolution. American Mineralogist, 89 (1) 110-125 doi:10.2138/am-2004-0114 | Journal (article/letter/editorial) | | Phosphate mineral associations in the Cañada pegmatite (Salamanca, Spain): Paragenetic relationships... chemical compositions, and implications for pegmatite evolution ENCARNACIÓN RODA,1,* ALFONSO PESQUERA...Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany 2 ABSTRACT The Cañada pegmatite (Salamanca, Spain)...Spain), a Li-P-(Sn-Nb ± Ta)-bearing granitic pegmatite, is intruded partly into a gabbro and partly into a...ferrocolumbite, and cassiterite, typical of an evolved pegmatite facies. As a result of the decrease of Mg, the |  | 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...But already before the onset of World War II, the pegmatite has no longer been considered an economic...size in the shadow of this huge Hagendorf-South pegmatite is due to its overall role as feeder system to |  | Roda-Robles, E., Galliski, M. A., Roquet, M. B., Hatert, F., de Paeseval, P. (2012) Phosphate nodules containing two distinct assemblages in the Cema granitic pegmatite, San Luis province, Argentina: Paragenesis, composition and significance. The Canadian Mineralogist, 50 (4) 913-931 doi:10.3749/canmin.50.4.913 | Journal (article/letter/editorial) | | TWO DISTINCT ASSEMBLAGES IN THE CEMA GRANITIC PEGMATITE, SAN LUIS PROVINCE, ARGENTINA: PARAGENESIS, COMPOSITION...are common in the outer core zone of the Cema pegmatite, San Luis Range, Argentina. Two different complex...enrichment observed in these phosphates, in a pegmatite that is not highly fractionated, could be explained...schorl, in the border and wall zones of this pegmatite. The crystallization of this silicate would have...depleted the activity of Fe in the remaining pegmatite-forming melt. Keywords: Fe–Mn phosphates, nodules |  | | 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...formed under oxidizing conditions, and assemblage II is formed under less strongly oxidizing conditions |  | 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...minerals (spessartine garnet or albite); association II forms blocky nodules of triphylite-ferrisicklerite-heterosite;...vivianite progressively replaced triphylite. Association II evolved under more oxidizing conditions and the first |  | | Journal (issue) | | by C. Auer M ineralogy of the Boqueiraozinho pegmatite, Parelhas, Rio Grande do Norte, B r a z il......rare mineral generally occurring in granitic pegmatite and polymetallic quartz vein set tings. It is...by von Knorring and Sahama from northwest ern Namibia, namibite has been identified from a number of...containing copper, bismuth and vanadium and of pegmatite settings will probably reveal additional sources...consist of very thin tabular crystals. Evans-Lou pegmatite, Canada Namibite associated with native bismuth |  | | Book (edition) | | book. Front co,·er photos: Turquoise, polished. 55 mm, ZhiJandy, Kazakhstan, G Galena, 45 mm, Madan...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...Kunlun Mts., near Hotan, Xinjiang Uygur Autom. region, China, also at Fengtien, Taiwan. Green at Ospinskoye |  | | Book | | the same passion for minerals and the NE Bavarian region. The Oberpfalz was his home and my adopted country...the principal techniques of deep geophysics, this region enables us to look at the origin of pegmatites...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...everything has been told about this prominent pegmatite. Professor Strunz was a generous and open-minded |  | | Journal (article/letter/editorial) | | 19 19 19 40 41 41 45 45 46 47 48 48 48 48 49 51 51 55 56 56 57 57 57 57 57 60 60 62 62 62 62 65 65 65 65...-43-46 14 24-48 16 32-33 10 16-19-20-38-40-49-54-55 31 13-15 32 44 44-46-48 43 5 24 49-50 16 31 9 7 2...10 20 28-30-31-34-37-38-40-54 39-39 35-35 27-53-54-55 31 14 37 49 8 42 16 2 15-57 9-12-16-19-20-32-46 7...25S0.9 30 24 12 44 28 22 41 30 28 16 46 19-38-43-54-55-59 5 9 (and others) 16 16 30 1 4 13 8 44-46-50 20...9-16-46 16 8 13 35 7-8-16-19-20-23-27-32-38-40-49-54-55-56-59 24 30 28-35 10 24 12 13 23 30 30 19 13 8 46-48-49-50 | | | Journal (article/letter/editorial) | | 19 19 19 40 41 41 45 45 46 47 48 48 48 48 49 51 51 55 56 56 57 57 57 57 57 60 60 62 62 62 62 65 65 65 65...-43-46 14 24-48 16 32-33 10 16-19-20-38-40-49-54-55 31 13-15 32 44 44-46-48 43 5 24 49-50 16 31 9 7 2...10 20 28-30-31-34-37-38-40-54 39-39 35-35 27-53-54-55 31 14 37 49 8 42 16 2 15-57 9-12-16-19-20-32-46 7...25S0.9 30 24 12 44 28 22 41 30 28 16 46 19-38-43-54-55-59 5 9 (and others) 16 16 30 1 4 13 8 44-46-50 20...9-16-46 16 8 13 35 7-8-16-19-20-23-27-32-38-40-49-54-55-56-59 24 30 28-35 10 24 12 13 23 30 30 19 13 8 46-48-49-50 |
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