 | Simmons, W. B., Pezzotta, F., Falster, A. U., Webber, K. L. (2001) Londonite, a new mineral species: the Cs-dominant analogue of rhodizite from the Antandrokomby granitic pegmatite, Madagascar. The Canadian Mineralogist, 39 (3) 747-755 doi:10.2113/gscanmin.39.3.747 | Journal (article/letter/editorial) | | ANALOGUE OF RHODIZITE FROM THE ANTANDROKOMBY GRANITIC PEGMATITE, MADAGASCAR WILLIAM B. SIMMONS§ Department...with rhodizite at Antandrokomby, a dike of granitic pegmatite in the Manandona valley, Antsirabe region...in the Betafo region south of Mahaiza, all in Madagascar. Londonite occurs in the inner zones and in miarolitic...calculated from an average of five analyses from Antandrokomby is: (Cs0.48K0.38Rb0.09Na0.03Ca0.02Mn0.01)⌺1...beryllium borate, rhodizite, Antandrokomby, Ampanivana, Antsongombato, Madagascar. SOMMAIRE La londonite |  | | Report (issue) | | The Natural History Museum of Milan and its Madagascar Collection The Museo Civico di Storia Naturale... the museum began paleontologic fieldwork in Madagascar (upper Permian fauna and Jurassic and Cretaceous...fieldwork in Madagascar in 1996 in collaboration with other institu tions in Madagascar, Italy, and the...Pezzotta has spent a total of twenty nine months in Madagascar making geological-mineralogical surveys. In collaboration...both classic and new minerals and gemstones from Madagascar opened at the Natural History Museum in Milan |  | | Journal (article/letter/editorial) | | bones. ..- RECENT MINING AT THE ANTANDROKOMBY PEGMATITE, MADAGASCAR J. W Nizamofl’ A. U.FalsteG’ F. Pezzotu...Earth Science Dept., Adrian, MI 49221. The Antandrokomby pegmatite is a steeply dipping dike located about...kilometers south of Antsirabe, in the Manandona Valley, Madagascar. The dike strikes approximately northeast...observed dimensions of the pegmatite are 350 x 1.2 meters. Geochemically, the pegmatite is classified within...pale green masses up to 10 cm across in massive pegmatite, but it was not found in the miarolitic cavities |  | | Journal (article/letter/editorial) | | 1980). It occurs sparingly with axinite in a pegmatite near Butte, Montana, where it was originally misidentified...crystals to 10 cm across were found in the 527 pegmatite exposed in the Jensen quany, Riverside County...Guiv, Kanton Uri (with milarite, datolite, and scheelite). It has also been found at Maglovec Hill, Presov...Norway. Danburite has been reported from several Madagascar localities. Large yellow crystals have been recovered...Andina; at Imalo south of Betafo; and Antandrokomby pegmatite (Nizamoff et al. 2000). Excellent danburite |  | | Journal (article/letter/editorial) | | Antlerite, Utah, 244 Apatite, Bahia, Brazil, 38; Madagascar, 256; Michigan, 96; Ohio, 255 Aquamarine, Minas... Miguel Arrojado Ribeiro Listoa, 47 Arsenic, Madagascar, 256 Arsenopyrite, Colorado, 337; Maine, 412...Part 1,52-53 Dadsonite, Nevada, 128 Danburite, Madagascar, 256 Daniel Bonanza mine, Colorado, 3 11 Datolite...Estes Quarry, Cumberland County, Maine: A New Pegmatite Locality, W. B. Thompson, A. U. Falster, W. B...Estes Quarry, Cumberland County, Maine: A New Pegmatite Locality, 408-18; Minerals of the Brufnado Magnesite |  | | Journal (issue) | | Amethyst-Farrar Stockton coUection, page 271; Scheelite-David and Marcie Bristol collection, page 42;...across, and more. Exploitation of this remarkable pegmatite continued intermittently until 1937, when the...bed. lt proved to be topaz from a Precambrian pegmatite cutting coarse-grained reddish granites of the...photo. Spodumene, 9.5 cm, from Resplendor, Doce Valley, Minas Gerais, Brazil. Don and Laura Aaron photo...JONATHAN ALLRED _.,._ _ _ _ _ _ _ _ _ _ _ _.._. Scheelite, 10.3 cm, from the Kharmung Area, Skardu District |  | | Journal (issue) | | Trip to a twin of Terlingua 12-13 California scheelite : Princess Pat and St. Geonieuws 26(2),februari...Juchem wieder möglich 7-11 Grossular 13-17 Die Pegmatite von alto Ligonha in NordMozambique 18-23 Calcit...N.Y.; apatite-XX in Ohio ; Antandrokomby pegmatite (tourmaline), Madagascar ; tourmaline from pegmatites...271-274 Geologische Wanderungen in Andalusien : pegmatite und hydrothermale Lagerstätte in der zentralen...shaft) B 3306 Wheal Castle Kenidjack or Nancherrow Valley To St.-Just Wheal Call Arsenic shaft Wheal Drea |  | | Journal (issue) | | west. Butte is situated in the Summit Valley, an intermontane valley at an elevation of 1,800 meters (5...Marcosson, 1957). By the winter of 1864 the Summit Valley district (Butte’s original name) had been organized...Co. Unita Unrepresented Valdemere Valley East Valley Queen Valley West Venus Vesuvius Virginius Volunteer...mentioning here. By the mid-1890’s, the Summit Valley had been more or less denuded of vegetation by...Bow Creek provided the sole drainage within the valley watershed, it became a de facto sewage system for |  | | Book | | acicular crystals of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]...region of Alpine-type clefts along the Torrniq Valley produced small numbers of ilmenite specimens reminiscent...The thin-tabular ilmenite crystals of the Torrniq Valley also form spherical aggregates ("closed roses")...several centimeters diameter. However, many Torrniq Valley specimens labeled "ilmenite" prove upon testing...commonly seen. Mount Blanco mine near Ryan, Death Valley. The Mount Blanco borate deposit is the type locality |  | | Journal (issue) | | Museum Toronto, Ontario Steven R. Morehead Green Valley, AZ Donald R. Peacor University of Michigan Ann...Regularly! Alpine Mineral Company Fine Alpine and Gem Pegmatite Minerals www.alpineminerals.com e-mail: kevin@alpineminerals...colored by copper. Cuprian elbaite from the Batalha pegmatite veins, unrecognized until the 1980’s, has become...though not of such high quality; and the Khan pegmatite near Rössing, Namibia, is also high in copper...local mining industry has focused on industrial pegmatite minerals, especially tantalite. Access is via |  | | Report (volume) | | Significance 317 Breccias and veins within granite or pegmatite 318 Occurrence and composition 318 Significance...Spositio, George H. Swihart, John A. Tossell, John W. Valley, David J. Waters. Assistance from John Jambor,...Kramer H (1957) Ginorite and sassolite from Death Valley, California. Am Mineral 42:56-61 Anthony JW, Bideaux...Gowerite, a new hydrous calcium borate, from the Death Valley region, California. Am Mineral 44:911-919 Erd RC...another new hydrous calcium borate from the Death Valley region, California. Am Mineral 46:560-571 Erd RC | | | Report (volume) | | MATHEMATICAL CRYSTALLOGRAPHY 16 1986 570 J.W. Valley H.P. Taylor, Jr. J.R. O'Neil STABLE ISOTOPES IN...ememeenae es 317 Breccias and veins within granite or pegmatite.................c.sceceeeeee eeeeee318 OCCUEPENCE...Spositio, George H. Swihart, John A. Tossell, John W. Valley, David J. Waters. Assistance from John Jambor,...Kramer H (1957) Ginorite and sassolite from Death Valley, California. Am Mineral 42:56-61 Anthony JW, Bideaux...Gowerite, a new hydrous calcium borate, from the Death Valley —~ region, California. Am Mineral 44:911-919 Erd |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | label is also used for tungsten drous species scheelite and huebnerite. t mor7) Habit and Twinning -...Mineralogical Magazine A. LaCroix, Mineralogie de Madagascar, 1922 P. Embry and Fuller Manual of New Mineral...Mohave and Cochise Cos., AZ; Elmore, Idaho, and Valley Cos., ID; Goldfield, Esmer- 444.2 Silver 3...Wallaroo and Burra-Burra, SA, Australia; Aniseed Valley, near Nelson, New Zealand. Shaba, Zaire; Broken...Brazil, and Czech Republic; minor deposits in Madagascar, Turkey, Romania, Germany, Austria, and Sri Lanka |  | | Book (volume) | | yegorovite Na4[Si2O4(OH)2]2·7H2O from the Palitra pegmatite, Lovozero massif, Kola peninsula hydrated proton)...MgB6O7(OH)6·2H2O Locality: Chelkar salt dome, Aksai Valley, Aktobe region, Kazakhstan (type locality). Description:...MgB6O7(OH)6·2H2O Locality: Chelkar salt dome, Aksai Valley, Aktobe region, Kazakhstan (type locality). Description:...Locality: Ampanodiana North pegmatite, Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune...Vakinankaratra Region, Antananarivo Province, Madagascar. Description: Grey grains from the association |  | | Book | | SHAPE program available from Eric Dowty, 521 Hidden Valley Road, Kingsport, Tennessee, 37663, USA. The authors...Al)802o(OH)4*4H20, 0 Syst=? Monte Chiaro, Taro Valley, Italy. H=?, Dvv,=?, Dp=?, VHIE 08c. Veniale &...E Mon. Porcelanous white. Furnace Creek, Death Valley, Inyo Co., California, USA. H=4.5, Djj4= 2.88,...brown. Balangero serpentinite, Lanzo massif, Lanzo Valley, Piemonte, Italy. H=?, Djjj= 2.98, D(;= 3.098,...Translucent dark blue-green, green. Sapucaia Pegmatite, Galileia, Minas Gerais, Brazil. H=6, Djjj=3.60 |
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