 | | Journal (article/letter/editorial) | | crystals of aegirine have been collected at Zomba, Malawi (see fig. 2). These specimens were reported...Figure 4. Looking west from the highest point on Mount Malosa. The African plain can be seen in the distance...labeled as coming from Zomba, Malawi.* Zomba is a village located south of Zomba Mountain. A few South...2000). History and Geology The geology of the region that contains the aegirine-bearing pegmatites has...Nyasaland (now named Malawi) embarked on extensive mapping projects in the Zomba area, and several publications |  | | Journal (article/letter/editorial) | | (REE) carbonates from alkaline pegmatites of Mount Malosa, Malawi AlessAndro GuAstoni,1 FAbrizio nestolA,1...discussed. Keywords: Ca-REE carbonates, Mount Malosa, Malawi, hydration introduction The crystal structures...alkaline granite-syenite pegmatites of the Mount Malosa pluton in Malawi, associated with rhabdophane-(Ce), (Ce...00/DOI: 10.2138/am.2009.3185 pegmatites of Mount Malosa. The crystal chemistry of these Ca-REE fluorocarbonate...fluorocarbonates. The common alterations observed at Mount Malosa are goethite + K-feldspar after parisite(Ce) |  | | Journal (article/letter/editorial) | | of Mount Malosa, Zomba District, Malawi Alessandro Guastoni & Federico Pezzotta The Zomba-Malosa pluton...including aegirine, arfvedsonite, cerian pyrochlore, fluorite, hingganite-(Y), Nb-Ta-Y oxides, niobophyllite-astrophyllite...These pegmatites outcrop close to the summit of Mount Malosa (-2000 m.a.s.l.) and they are subhorizontal...X-ray diffraction performed on aegirines from Mount Malosa collected in the cavities indicated that the...quartz crystals from miarolitic cavities of Mount Malosa estimated entrapment pressure at 130 MPa (Zajacz |  | | Journal (article/letter/editorial) | | minerals include microcline, smoky quartz, and fluorite as centimeter-sized crystals. Other genthelvite...Mountain (Stove Mountain), Saint Peters Dome, and Mount Rosa (Raines 2001). From Cookstove Mountain, Glass...Africa, Mount Malosa in the Zomba-Malosa alkaline syenite-granite complex in southern Malawi is famous...ocherous material, specimen 5.3 cm wide, Mount Malosa, Malawi. Under daylight (left) and LW (365-nm) UV...interpenetrating smaller genthelvites and aegirine, Mount Malosa, Malawi. Under daylight (left) and LW (365-nm) UV |  | Gatta, G. D., Rotiroti, N., McIntyre, G.J., Guastoni, A., Nestola, F. (2008) New insights into the crystal chemistry of epididymite and eudidymite from Malosa, Malawi: A single-crystal neutron diffraction study. American Mineralogist, 93 (7) 1158-1165 doi:10.2138/am.2008.2965 | Journal (article/letter/editorial) | | chemistry of epididymite and eudidymite from Malosa, Malawi: A single-crystal neutron diffraction study...762(5)°, V = 1265.47 Å3, space group C2/c] from Malosa, Malawi, has been reinvestigated by means of energy...(Martin and De Vito 2005) of the Zomba-Malosa pluton in southern Malawi, were selected for the experiments...experiments in the present study. The Zomba-Malosa pluton, emplaced ~113 My, is composed of qz-syenite and peralkaline...mineralogy that includes aegirine, arfvedsonite, fluorite, quartz, K-feldspar, niobophyllite, xenotime-(Y) |  | | Journal (article/letter/editorial) | | South Africa; Patrick Mayer specimen. Figure 3. Fluorite with quartz, 9.8 cm high, Riemvasmaak, Kakamas...azurite, 4.9 cm high, Tsumeb mine, Tsumeb, Otijikoto region, Namibia; Scott Rudolph specimen. Downloaded...diggings, Bendougou, Arrondissement, Diako, Kayes region, Mali; Demetrius Pohl specimen. Figure 13. Elbaite...Figure 18. Aegirine, 14.1 cm high, Mount Malosa, Zomba district, Malawi; Scott Rudolph specimen. Figure...duftite, 6.2 cm high, Tsumeb mine, Tsumeb, Otjikoto region, Namibia; Scott Rudolph specimen. Figure 17. Metatorbernite |  | | Journal (article/letter/editorial) | | 22:07 14 June 2016 Letters A PSEUDOMORPH FROM MALAWI Beginning about 1991, spectacular specimens of...exceptionally large crystals from Mount Malosa, Zomba Plateau, Malawi, began to appear at mineral shows...Choice column (absolutely beautiful!) and the fluorite and galena on quartz in the Rogerley mine article |  | | Catalog/List | | AEGIRINE Very rich mass of black crystals, some Mount Malosa, Zomba District, lxl ins £5 lx2ins _lyro?'~~e ....__ Malawi £10 _---- -- - -- - --·- ·- 34 AEGIRINE Rich fine grained black crystalline mass Mount Ste...sparse clear small plates with BERTRANDITE quartz/fluorite. A rare one for England Be OH SiO £10 Kolsva,...Octahedral crystals Landsvcrk,Evje,Norway lx½ £5 FLUORITE CaF about 4mm size on pink felspar lxl £1.10 Cut...Cut and Polished attractively banded China FLUORITE CaF colourless and purple.(like blue john) 2x2 £1 |  | | Journal (article/letter/editorial) | | zircon localities is quite long. The Pikes Peak region of Colorado has been a historical source of exceptional...of pale tan zircon crystals from Mount Malosa, Zomba district, Malawi. Lino Caserini specimen, Jeff Scovil...cm, some quite gemmy, are found associated with fluorite (Panczner 1987). Good zircon crystals are periodically...occasionally available from Rio do Peixe, Tocantins, North Region. Exceptional zircon specimens have been collected...light-colored 2.5 × 2.5 × 2.0-cm zircon crystal from the Southern Urals, Vishnovogorsk, Chelybinsk Oblast, Russia |  | Soman, Aneesh, Geisler, Thorsten, Tomaschek, Frank, Grange, Marion, Berndt, Jasper (2010) Alteration of crystalline zircon solid solutions: a case study on zircon from an alkaline pegmatite from Zomba–Malosa, Malawi. Contributions to Mineralogy and Petrology, 160 (6) 909-930 doi:10.1007/s00410-010-0514-2 | Journal (article/letter/editorial) | | on zircon from an alkaline pegmatite from Zomba–Malosa, Malawi Aneesh Soman • Thorsten Geisler • Frank...pegmatite from the Zomba–Malosa Complex of the Chilwa Alkaline Province in Malawi has been studied by...solution-aqueous solution systems. Keywords Zircon Thorite Malawi Hydrothermal alteration Interface-coupled ...partially altered zircon from an alkaline pegmatite in Malawi. Based on textural, chemical, isotopic/geochronological...Mt Malosa located within the Zomba–Malosa Complex of the Chilwa Alkaline Province (CAP) in Malawi. The |  | | Journal (issue) | | deposits, sirnilar to those in Switzerland and southern Austria, in the north. (2) Hercynian granite with...sedimentary and volcano-sedimentary sequences in the southern Alpine area and Sardinia. (3) volcanic rocks of...of Perrnian and Jurassic ages in the southern Alpine area of the northeast. (4) a great number of metalliferous...Ca' Bernardi and Perticara mines in the Marches Region, and the sphalerite, chalcopyrite and various rare...PEZZOTIA, F. (1999) Selvino e Zogno: quartz and fluorite . Rivista Mineralogica ltaliana, 23 (3), 146-156 |  | | Journal (article/letter/editorial) | | anorogenic magmatism in the Chilwa Province of Malawi, East African Rift The Chilwa Province of alkaline...alkaline igneous rocks and carbonatites in Malawi and neighboring Mozambique displays three major cycles...pegmatites that appear at the end stage of the Zomba–Malosa complex are arguably the most spectacular example...absence of basic rocks in cycle-2 complexes in Malawi, Woolley (1987) postulated that large volumes of...vast volumes of the Chilwa granites (Mlanje, Malosa, Zomba intrusive suites), all of the ferroan variety |  | | Journal (article/letter/editorial) | | (specimen and cut stones) with smoky quartz on matrix, Mount Antero, Colorado. Denver Museum of Nature and Science...34043 Aegirine and Associated Minerals from Mount Malosa, Malawi, B. Cairncross, 31-37 Africa, azurite, 4043;...minerals named after South Africans, 48-53; Mount Malosa, Malawi, 31-37; Rhodes/rhodesite,50-53; Tsumeb,...Nigeria, 110 Aragonite, Tsumeb, 21 Arfvedsonite, Malawi, 36 Arsenogoyazite, New Mexico, 301 Art, see Robinson..., Aegirine and Associated Minerals from Mount Malosa, Malawi, 3 1-37; Spectacular Minerals from the Kalahari |  | | Journal (article/letter/editorial) | | dollars) toward the cost of arranging Figure 12. Fluorite, cubic crystals with dodecahedral faces, on calcite...pseudomorphed to malachite, 25 × 20 cm, Tsumeb, Otjikoto Region, Namibia. Jeff Scovil photo. Figure 16. A large...crystals on microcline, 40 × 40 cm, Mount Malosa, Zomba district, Malawi. Adalberto Giazotto photo. Downloaded...7 cm, Onganja, Seeis, Windhoek district, Komas Region, Namibia. Adalberto Giazotto photo. Figure 24 (right)...miners and to acquire exceptional specimens of fluorite, galena, Frizington barite, and Egremont hematite |  | | Journal (article/letter/editorial) | | Alabama 36849-5305 Downloaded by [University of Southern Queensland] at 01:02 11 October 2014 Muzo District...Jeff Scovil. 3 Downloaded by [University of Southern Queensland] at 01:02 11 October 2014 t may never...where parisite occurs with aegirine, riebeckite, fluorite, ilmenite, and anatase in pegmatite pipes that...County, Connecticut; and in greisen with purple fluorite at Irish Creek, Rockbridge County, Virginia. Parisite-(Ce)...to 24 cm long in a rare-earth-rich, carbonate-fluorite-quartzpegmatite. The site has also been known |  | | Journal (issue) | | Baranda Some pegmatite minerals from the Zomba district, Malawi .........................................Home Jeffrey mine (Quebec), Alpine Rodingites, Fluorite (Germany) $7 v.10/#2 $7 v .ll/# l Toxic Minerals...all over the world converged on one geo graphic region for such an event. It changed the course of a nation...Mountain, was discovered by four men from the southern U.S. in 1858. While sinking a shaft in 1859, the...microscopy revealed that the coating is either fluorite plus a magnesium fluoride, or some other mineral |  | | Journal (article/letter/editorial) | | pluton, Kola Peninsula, Russia, and Mount Malosa, Zomba district, Malawi (Mindat, accessed 12/2015). In the...Watkins Ave., Oneonta, NY 13820; 3131 Todd Rd., Mount Sidney, VA 24467; 4218 Fairhaven, Hudson J0P 1H0...Mt. Antero, topaz, rare-earth minerals, baryte, fluorite, minerals from the San Juan Mountains, pyrite...oxides, REE-bearing minerals, and in most cases fluorite. These petrogenetic differences hold for the quintessential...corundum, dolomite, fluoborite, fluorapatite, fluorite, forsterite, galena, goldmanite, graphite, humite-group |  | | Journal (issue) | | Mineraliensammler Mineralogische Expedition Mt. Malosa/Malawi • Mineralien von der Goldberg-Spitze, Sonnb...AFRIKA: Eine mineralogische Expedition zum Mt. Malosa, Malawi 79 ACHAT-MAGAZIN Blaue Achate und erstklassiges...Jahres - und alles in einzigartiger Qualität. Auch Malawi gehört zu den aktuellen Mineralien liefernden Ländern...Typlokalität „In den Dellen ", Mendig, Laacher See-Region. Beim Nosean, welcher in vielen Veröffentlichungen...2(O,F),, anew mineral from the Eifel volcan ic region , Germany. - ZVMO 140 ( 1). 67-75. CRUSE, B.; KNOP |  | Zaitsev, A. N., Chakhmouradian, A. R., Siidra, O. I., Spratt, J., Williams, C. T., Stanley, C. J., Petrov, S. V., Britvin, S. N., Polyakova, E. A. (2011) Fluorine-, yttrium- and lanthanide-rich cerianite-(Ce) from carbonatitic rocks of the Kerimasi volcano and surrounding explosion craters, Gregory Rift, northern Tanzania. Mineralogical Magazine, 75 (6) 2813-2822 doi:10.1180/minmag.2011.075.6.2813 | Journal (article/letter/editorial) | | structure refinement of the mineral confirms a fluorite-type structure with a cationanion distance of...(Styles and Young, 1983), weathered carbonatites at Mount Weld, Australia (Lottermoser, 1987), weathered syenite...Andersson, 2007), alkaline pegmatites at Mount Malosa, Malawi (Guastoni et al., 2009) and metasomatic...measurements made on a polished single-crystal mount). The calculated density, based on the average formula...cerianite-(Ce) lack peaks in the 34003600 cm1 region that could be attributed to OH stretching modes |  | | Corporate Document | | Republic of Malawi Ministry of Mining Final Report of the Project for Establishment of Integrated Geographic...Ltd. dummy Frontispiece 1 Map of Malawi Former capital: Zomba Headquarters of Geological Survey Department...Lake Chilwa located in the southeastern part of Malawi and Chisi Island: Chisi Island is composed of syenite...Lake Malawi Upper right: Syenite distributed in Chilwa Alkaline Province in the south of Malawi (Cretaceous.............................. 19 3. The Works in Malawi .............................................. |  | | Journal (article/letter/editorial) | | → zincian-olivenite (mimetite) → fluorapatite, fluorite → wavellite. In the main portion of the phosphate...hemimorphite, rosasite → cerussite, chlorargyrite, fluorite → malachite. The copper stope also has a limited...(REE) carbonates from alkaline pegmatites of Mount Malosa, Malawi. American Mineralogist 94:1216–22. Zaitsev |  | | Journal (article/letter/editorial) | | (Baveno, Italy; Cuasso al Monte, Italy; Mt. Malosa, Malawi), five other porphyry Cu deposits (Bajo de...“two-phase field” is used to describe the P-T-X-region below this solvus. “Vapor” is used for an H2Orich...include magnetite, apatite, zircon, allanite, fluorite, as well as rare muscovite, sphene, and rutile...Medio Canada Pinabete Baveno Cuasso al Monte Mt. Malosa Stronghold Santa Rita Alumbrera Bingham Butte Grasberg...grew into open spaces, and are covered by small fluorite octahedra as well as iron oxides. A cross section |  | | Catalog/List | | England Rich fine grained black crystalline mass Mount Stc Hilaire, Quebec with Fluorescent orange Sodalite...black crystals, some Mount Malosa, Zomba District, free standing. ______ ______ Malawi Black crystal sections...FLUELLITE Al POM FLUELLITE _AI_POM FLUORITE FL UP R ESC ENT FLUORITE CaF FLUORITE CaF________________ FLUORRICHTERITE...calcite or pyrolusite ^Somerset _________ Mount Malosa Malawi Terminated white crystal or crystals, intergrown...small grey masses on Microgranite Kangankunde Hill, zomba, Green masses in carbonatite. Slightly Malawi_________________ |  | | Journal (article/letter/editorial) | | zeolite, calcite, quartz, chalcedony, chlorite, fluorite, etc. and are then called amygdules. Several studies... GEOLOGICAL CONTEXT The Massif de l’Esterel (southern France) is characterized by Permian volcanic activity...replaced by covellite-digenite assemblages and fluorite crystals, were observed in several amygdules and...phase. (2) As laths trapped in calcite or fluorite. Fluorite takes the form of subhedral inclusions in...F-Ca-rich environments and it is often associated with fluorite. Synchysite is also described as a trace mineral |  | | Journal (issue) | | Identify Emeralds Bastnäsite and Parisite from Malawi THE QUARTERLY JOURNAL OF THE GEMOLOGICAL INSTITUTE...Bastnäsite-(Ce) and Parisite-(Ce) from Mt. Malosa, Malawi Alessandro Guastoni, David Kondo, and Fabrizio...and water vapor in air. The spectra in the mid-IR region were normalized based on the two-phonon absorptions...absorptions of diamond, and in the near-IR region based on its three-phonon absorptions. This allowed us to...very weak and sharp absorptions in the UVVis-NIR region at liquid nitrogen temperature. The sampling interval |
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