 | | Journal (article/letter/editorial) | | crystals of aegirine have been collected at Zomba, Malawi (see fig. 2). These specimens were reported...The aegirine was associated with aesthetic smoky quartz, microcline, and zircon. However, with further...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 |  | | 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... emplaced approximately 113 Ma, is composed by quartz-syenite and peralkaline granite and belongs to...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...on fluid inclusions in quartz crystals from miarolitic cavities of Mount Malosa estimated entrapment pressure |  | | Journal (article/letter/editorial) | | Associated minerals include microcline, smoky quartz, and fluorite as centimeter-sized crystals. Other...Mountain (Stove Mountain), Saint Peters Dome, and Mount Rosa (Raines 2001). From Cookstove Mountain, Glass...to 3 mm, in lenses of magnetite, hematite, and quartz in postmagmatic joints in the Conway Granite (Nizamoff...tetrahedral crystals to 1 cm embedded in massive quartz and specular hematite (fig. 6). Its composition...Blue genthelvite crystals on specular hematite and quartz, field of view 6.4 mm, El Criollo pegmatite, Cerro |  | | Journal (article/letter/editorial) | | Science University of Arizona, Tucson INTERESTING QUARTZ I published a column in the September/ October...example of epitaxy in which the orientation of the quartz crystals has been dictated by their having grown...state mineral. Two odd quartz specimens from Mount Malosa, Zonba district, Malawi. Left: 8 × 3.5 × 3.6...01:31 12 December 2015 ARIZONA STATE METAL Quartz (smoky quartz), 5 cm tall. Sceptre claims, Emerald Lake...half-dozen very similar examples from Mount Malosa, Zomba district, Malawi, two of which are illustrated here |  | Secco, L., Guastoni, A., Nestola, F., Redhammer, G. J., Dal Negro, A. (2007) Crystal chemistry of aegirine as an indicator of P-T conditions. Mineralogical Magazine, 71 (3) 321-326 doi:10.1180/minmag.2007.071.3.321 | Journal (article/letter/editorial) | | granites of the Zomba-Malosa pluton in southern Malawi (Martin and De Vito, 2005). The Zomba-Malosa pluton, emplaced...emplaced ~113 Ma ago, is composed of quartz syenite and peralkaline granite, and belongs to the Chilwa-alkaline...pegmatites, which crop out close to the summit of Mount Malosa, are sub-horizontal, highly miarolitic and often...deposits of the Quaternary volcanic field in the Eifel region, where high-level phonolitic-trachytic magma chambers...N3–N4 the second generation of the same sample (Zomba-Malosa aegirine); in this case also, the cell-volume |  | 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...that includes aegirine, arfvedsonite, fluorite, quartz, K-feldspar, niobophyllite, xenotime-(Y), zircon |  | | Journal (article/letter/editorial) | | Patrick Mayer specimen. Figure 3. Fluorite with quartz, 9.8 cm high, Riemvasmaak, Kakamas, Northern Cape...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 |  | 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 (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...at least, nothing but a mosaic of interlocking quartz crystals. There was no feldspar to be seen. The...brown in color, are usually encrusted with drusy quartz crystals, and reach lengths of 6 cm or more. Probably...ordered by mail. Nancy Dreyer Cincinnati, Ohio Quartz after apatttef!?. from this locality. Apatite from |  | | Report (issue) | | from huge salt mines in Lower Silesia, Poland—a region which now has come up with two new occurrences...specimen and photo. From another place in the same region—the locality is given as the Rudna mine, Lubin...kulanite from a sub-locality in the same area called “Mount Seafoam.” Messelite, 2.5 cm, from Grizzly Bear...recently in Malawi—not, as you may be thinking, in the Zomba district, home to the famous Mount Malosa locality...between Zambia, Tanzania and Mozambique. (“Machinga, Malawi” has also been cited as the locality for some superb |  | | Journal (article/letter/editorial) | | zircon localities is quite long. The Pikes Peak region of Colorado has been a historical source of exceptional...October 2014 Figure 3. A fine 7 × 13-cm zircon on quartz specimen from Helen Hunt Falls, El Paso County...of pale tan zircon crystals from Mount Malosa, Zomba district, Malawi. Lino Caserini specimen, Jeff Scovil...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 |  | | 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...by syenite and nepheline syenite, locally with quartz syenite units. There are no obvious parental magmas...(Eby et al., 1995, 2004), peralkaline syenite, quartz syenite and A-type (i.e., ferroan) granite were...pegmatites that appear at the end stage of the Zomba–Malosa complex are arguably the most spectacular example |  | | 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...matrix. Yorkshire ALUNITE Rich orange masses in quartz, under Flux Canyon,Santa Cruz ½x½£2 K Al SO/4 OH...lx2 £4 APATITE Quite rich, blue-grey masses in Quartz Ca F with minor Mica APA T=1=T=E_ _ _ __ __ (Carbonate..._1_ _1_x2_£_2_ _ _ _ _ __ APATITE Greenish -in Quartz. Will-fluoresce pale FL UO R ESC EN T t~llow wi~ |  | | Catalog/List | | dark blue areas up to 8mm across in muscovite and quartz matrix, from an altered quartzite. Lazulite locality...EPIDIDYMITE pure white-grey cleavage 3xlcm Mount Malosa Zomba Malawi £8 ~ - - - -- -- - - - -~ 35 OHMILITE...show off the excellent colour Sandamap ,Erongo region l'{_amibia 6x4 £18 51 OPAL orange brown and white...Yer~ano_Cusio_Ossola.Piedmont Italy • 6.x2.5cm £8 73 QUARTZ single crystal from the classic Landsverk location...Norway) 79 DUMORTIERITE rich blue fibrous mas with quartz Sohavina Madagascar £5 3x2 4 83 MANGANO-FERRI-ECKERMANNITE |  | | Catalog/List | | EPIDIDYMITE pure white-grey cleavage 3xlcm Mount Malosa Zomba Malawi £8 I 16 JADEITE a white water worn...drusy green crystals about half covering small quartz crystals 3x3cm Bwlch I Glas Mine, Tal-y-Bont Ceredigion...£ 15 -20 - TANXALITE-obv:iousblac~ cleavages in Quartz 5x5 cm Ricksburg Karibib District Namibia £25 22...show off the excellent colour Sandamap ,Erongo region Namibia 6x3.5 £25 44 GANOPHYLLITE light orange-...Verbano-Cusio_ Ossola Piedmont Italy 5x4cm £10 75 QUARTZ single crystal from the classic Landsverk location |  | | Journal (article/letter/editorial) | | Aquamarine (specimen and cut stones) with smoky quartz on matrix, Mount Antero, Colorado. Denver Museum of Nature...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) | | 13 October 2014 Figure 4. Stibnite crystals on quartz, 23 × 17 cm, Cavnic, Maramures County, Romania... Adalberto Giazotto photo. Figure 6. Amethyst quartz, a large crystal group, 50 × 50 cm, from the Anahi...pseudomorphed to malachite, 25 × 20 cm, Tsumeb, Otjikoto Region, Namibia. Jeff Scovil photo. Figure 16. A large...crystal of kunzite, a pink variety of spodumene, with quartz and lepidolite, 45 × 35 cm, Mawi, Laghman Province...crystals on microcline, 40 × 40 cm, Mount Malosa, Zomba district, Malawi. Adalberto Giazotto photo. Downloaded |  | | Journal (issue) | | Magdalensburg (Carinthia, Austria), where a series of quartz crystals were found at a settlement that can be...(Lombardy, northem Italy), a transparent and perfect quartz crystaldoubly terminated and about 2.5 cm in diameter-was...foothills of the Lombardy Alps (Pezzotta, 1999), where quartz occurs in a deposit very similar to that of the...the Sicilian sulfur deposits; so-called "fenster quartz" of Porretta Terme; gypsum and other minerals of...Valley and the Siusi Alp; druses of orthoclase and quartz with associated minerals from the pegmatite geodes |  | | 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 (issue) | | Baranda Some pegmatite minerals from the Zomba district, Malawi .........................................minerals (facsimile: $10) v.2/#2 Chessy (France), Blue Quartz, Panasqueira (Portugal), X-ray crystallography...Ill) (facsimile: $10) v.2/#5 Gold Hill (UT), Rose Quartz, Grandview mine (AZ), Crandallite (VA), Early American...Chuqui$7 camata (Chile) v.9/#6 Libethenite (Zambia), Quartz & Pyrite (WA), Hydroboracite (CA) $7 v.10/#1...minerals v,10/#3 Taewha mine (Korea) Japan Twins (Quartz), Bancroft (Ont.), Franklin $7 v.10/#4 Chanarcillo |  | | 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...entire melt inclusions were drilled out of the host quartz without prior homogenization, and original melt...millimeters to several meters, are crystal lined (quartz, orthoclase ± other minerals), and commonly are...is possible that fluid inclusions in miarolitic quartz may be different from the average fluid exsolved |  | | Journal (article/letter/editorial) | | pluton, Kola Peninsula, Russia, and Mount Malosa, Zomba district, Malawi (Mindat, accessed 12/2015). In the...Montebrasite shows only little interaction, and quartz was essentially unaffected, not surprising because...expansion coefficient is near zero. The presence of odd quartz crystals in a nearby miarolitic cavity may be related...related to the effects of the dike rocks. These quartz crystals have a very dark outer zone, and the crystal...Mineralogically, the pegmatites are composed of quartz, alkali feldspar, cleavelandite, white mica, and |  | | Journal (article/letter/editorial) | | Alabama 36849-5305 Downloaded by [University of Southern Queensland] at 01:02 11 October 2014 Muzo District...Parisite-(Ce) crystals to 2.2 cm across associated with quartz and dolomite (or siderite). The specimen was collected...Jeff Scovil. 3 Downloaded by [University of Southern Queensland] at 01:02 11 October 2014 t may never...JulylAugud 2OOO 251 Downloaded by [University of Southern Queensland] at 01:02 11 October 2014 Several...parisitebearing zones consist in part of vuggy quartz and coarsely crystalline carbonate minerals with |  | | 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...“Soufflé” freshwater cultured pearls • “Churrasco quartz” from Brazil • Cat’s-eye rhodonite • Large H-rich...infrared (FTIR) spectrometer equipped with KBr and quartz beam splitters. A beam condenser (6×) was employed...and water vapor in air. The spectra in the mid-IR region were normalized based on the two-phonon absorptions |
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Mount Malosa, Zomba, Southern Region, Malawi