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Ameghinite from
Tincalayu Mine, Antofagasta de la Sierra Department, Catamarca Province, Argentina


Locality type:Open-Cast Mine
Classification
Species:Ameghinite
Formula:Na(H4B3O7)
Comments:Crystals of ameghinite are characteristically elongated on <010> and flattened on {001}…On the largest crystals, about 5 millimeters long, the {001} faces are frequently curved as though bent around the a axis. The smaller crystals, one millimeter or less in length, lack the pronounced curvature but even they show some bending and give a series of signals from the {001} faces. The small crystals of ameghinite occur either partially or completely surrounded by tincalconite.

Ameghinite is also found in nodular masses embedded in massive borax. Most of them are about a centimeter in diameter, but can be up to 5 centimeters long. The manner of occurrence of ameghinite is identical with that of ezcurrite and rivadavite with which it is closely associated. In fact a single study specimen 25x15x12 centimeters contains nodules of all these minerals However unlike the other two minerals that are found in contact with the surrounding borax, the nodules of ameghinite are in every case separated from the borax by tincalconite.
Confirmation
Validity:Valid - Type Locality
Data
Mineral Data:Click here to view Ameghinite data
Locality Data:Click here to view Tincalayu Mine, Antofagasta de la Sierra Department, Catamarca Province, Argentina
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:482
Long-form Identifier:1:3:482:0
GUID (UUID V4):aa086737-8c1a-48ee-9b77-971c29802f6e
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
OF AMERICA JULY-AUGUST, 1967 Nos. 7 and 8 AMEGHINITE, NazO.3B2OB.4H2A O ,N E W B O R A T E FROM ARGENTINAI...Hunr.sut, Jn., Department oJ Geological Sciences,H arvard U niversity. Aesrpacr Ameghinite is a new hydrous...hydrous sodium borate found at the Tincalayu borax deposit Satta, Argentina. It occurs in small nodules embeddeclin...9 ) , 3 . 3 5 2 ( 1 7 ) , 2 . 9 1 4 ( 1 7 ) . Ameghinite is colorlessbut under ultraviolet light shows...centuries. INrnoouctrow The Tincalayu borax deposit in the province of Salta, Argentina has already been the
Journal (article/letter/editorial)
58, pages 308'313, 1973 Kernitefrom Tincalayu,Salta,Argentina C. S. Hunrsut, Jn. D epartment ol Geological...AnrsrAn^crN ObseraatorioNacional De Fisica Cosmica, San Miguel, Pcia. B. A., Argentina AND R. C. Enu U.S. Geological...Park, Calilornia 940252 Abshact The Tincalayu mine (Salta, Argentina) is essentially a monomineralic deposit...Hombre Muerto. The approximatelatitude andlongiThe mine can be Kernite was discoveredin 1925 during a drilling...(Palmer, 1927) by the Com- the north. Boron and Tincalayu remain the only localities pany, it was named
Journal (article/letter/editorial)
FACULTAD NACIONAL DE LA PLATA DE CIENCIAS NATURALES y MUSEO REVISTA DEL MUSEO DE LA PLATA (NUEVA SERIE)...BORATO-CARBONATO HIDRATADO DE TINCALA YU, SALTA, ARGENTINA Se presentan los datos de un nuevo mineral encontrado...encontrado incluido en bórax y kernita en la mina Tincalayu, Salta, Argentina. El mineral es Rómbico Dipiramidal...8,01 Á ± 0.02, a:b:c = 0,727: 1: 0,592, volumen de la celda 1068,3 Á. Los cristales son idiomorfos, están...limitados lateralmente por {101 }, lo que les da forma de rombos que tienen los extremos truncados por {100}
Report (issue)
Ameghinite NaB3 O3 (OH)4 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point...c = 6.326(2) X-ray Powder Pattern: Tincalayu deposit, Argentina. 3.064 (100), 3.147 (76), 2.548 (29)...60.91 18.08 21.01 100.1 100.00 (1) Tincalayu deposit, Argentina; corresponds to Na1.11 B3.00 O3 (OH)4...Distribution: Argentina. From the Tincalayu borax deposit, Salar del Hombre Muerto, Salta Province, Name:...Hurlbut, Jr. (1967) Ameghinite, Na2 O • 3B2 O3 • 4H O, a new borate from Argentina. Amer. Mineral., 52
Report (issue)
c = 7.815(1) X-ray Powder Pattern: Tincalayu deposit, Argentina. 7.74 (100), 2.579 (19), 3.037 (13)...07 9.33 99.7 100.00 21.70 1− (1) Tincalayu deposit, Argentina; with (OH) calculated for charge balance...Occurrence: In a playa evaporite sequence (Tincalayu deposit, Argentina); at a desert borax spring (Eagle Borax...Association: Borax, kernite, rivadavite, ezcurrite, ameghinite, mcallisterite, kurnakovite, searlesite, probertite...tincalconite, ulexite, halite, magnesite (Tincalayu deposit, Argentina); thénardite, blödite, mcallisterite
Journal (article/letter/editorial)
O, a New Mineralfrom Salta,Argentina ConNerrus S. Hunrnur, Jn. Department ol Geological Sciences,Haraard...magnesium borate found at the Tincalayu borax deposit, Salta, Argentina. It occurs as small crystals in...Economic Geology, Universidad Nacional de la Plata, Argentina, in recognition of his contributions to...fntroduction During an examination of the Tincalayu mine, Salta, Argentina, in l97O a systematiccollection of...Universitv. 647 Geology, Universidad Nacional de la Plata, Argentina. This honor seemsmost fitting becauseof
Journal (article/letter/editorial)
pages 879-883, 1975 The Crystal Structureof Ameghinite ALBERTODnl Nncno, Josr M. Mnnrru poznsr, eNo...eNo LucleNo UNGARETTT C./f.R. Centro di Studio per la Cristallografia Strutturale, Istiruto di Mineralogia...of the mineral ameghinite N a r O .3 B r O s . 4 H r O . Ameghinite from the Tincalayu borax deposit in...in the province of Salta (Argentina) was first described by Aristarain and Hurlbut (1967),who presentedits...computer Depto. de Cristallografia y Mineralogia, Faoultad de Ciencias, Universidad de Madrid. Spain.
Journal (article/letter/editorial)
IMPLICATIONS FOR THE DIAGENETIC FORMATION OF AMEGHINITE YONGLIANG XIONG§, LESLIE KIRKES, JANDI KNOX,...hexaborate tetrahydrate is a polymorph of the mineral ameghinite [chemical formula Na2B6O104H2O; structural formula...hexaborate tetrahydrate could be a precursor of ameghinite and could be transformed when borate deposits...Keywords: borate chemistry, borax, polymorph of ameghinite, nuclear waste management, diagenesis of borate...the Waste Isolation Pilot Plant (WIPP), a U.S. Department of Energy geological repository for the permanent
Journal (article/letter/editorial)
of new mineral names By M. H. HEY, M.A., D.Sc. Department of Mineralogy, British Museum (Natural History)...K)12(Si,Al)1r from a lapis-lazuli mine, Sar-e-Sang, Badakshan province, Afghanistan. The powder diagram...List) (I. Kostov, Mineralogy, 1968, p. 373). Ameghinite, L. F. Aristarain and C. S. Hurlbut, Jr., 1967...monoclinic crystals from the Tincalayu borax deposit, Salta, Argentina, have the composition Na2BsO10...from the Wilagedera iron ore body, North-Western Province, Ceylon, is related to the brittle micas, but
Journal (article/letter/editorial)
ARGENTINA1 L. F. AnrsrARArN ant C. S. Hunrnur, Ju., Department of Geological Sciences,H araard,U nittersitY...plugJike deposit of massive borax at the Tincalayu Mine, Salta, Argentina. Morphological measulements showed...at the Tincalayu Mine, Salta, Argentina (Fig. 1). Muessig and Allen (1957) in studying this mine concluded..."oro"o*6o " Frc. 1. Location of the Tincalayu Mine, Salta, Argentina. composedessentiallyof massiveborax...macallisterite crystals surrounded by rivadavite, from Argentina. X1.2. 1778 L. F. ARISTARAIN AND C. S. HURLBUT
Book (edition)
DIGITAL DEL LIBRO COMPENDIO de LAS ESPECIES MINERALES DE LA REPÚBLICA ARGENTINA Compilado y parcialmente...parcialmente actualizado por Milka K. de Brodtkorb En base a la edición de los tomos 1(2002), 2(2006) y 3(2007)...3(2007) cuyos autores fueron M.K. de Brodtkorb, S. Lagorio, C. Latorre, P. Leal, T. Montenegro, O. Morello...Ramos y S. Poma, y en la edición Roberto Miró ASOCIACIÓN MINERALÓGICA ARGENTINA FUNDACIÓN EMPREMIN 2015...(2007) de LAS ESPECIES MINERALES DE LA REPÚBLICA ARGENTINA se encuentran agotados y a pedido de numerosos
Journal (article/letter/editorial)
hexaborate polyanions SusnnrR Gsose ANDCHE'NGWAN Department of Geological Sciences Uniuersity of Washington...Seattle, Washington98 195 Abstract lrom Salta,Argentina,is monoThe rare sodiummagnesium boratemineralaristarainite...chemicalcompositionof aristarainitewas alogy.At Tincalayu,it occursin a matrix of borax with haliteand other...association rates,mcallisterite, rivadavaite, ezcurrite,ameghinite, MgO.6BrOr.l0HrO,with two formulaunitsin the...X 0.42 mm, elongatedparallel to b) from Salta,Argentina, was mounted with the b axis parallel to the phi
Book
.....• ••~.. lnstituto Tecnol6gico i ~ GeoMinero de Espana Special Publication No. 8 f_o_r_G~e~o-lo_g_y_...CARDOZO Universidad Nacional de lngenieria, and Newmont Peru Limited Gerente de Exploraciones Av. Jose Galvez...CEDILW Facultad de Minas, Metalurgia y Geologia, Universidad de Guanajuato Ex-Hacienda de San Matias s/n...Prof. Dr. Lwfs FONTBOTE Departement de Mineralogie, Universite de Geneve 12, rue des Maraichers CH-1211...Prof. Dr. JOSE FRUTOS Programa de Geologia Econ6mica Aplicada, Universidad de Concepci6n Casilla 4107 Concepci6n
Journal (article/letter/editorial)
Kazakhstan. In the U.S.A., it is present in the Jennifer Mine of the Kramer borate deposit, Kern County (Frondel...the Yashatu deposit (Jiang et al. 1996), Qinghai Province; in Zhacang Chaka Salt Lake (Zheng and Liu 1982;...(Tibet) Autonomous Region. In Argentina, it occurs in the Tincalayu borax mine, Salta (Hurlbut and Erd 1974)...the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA-0003525...not necessarily represent the views of the U.S. Department of Energy or the United States Government. The
Book (edition)
Ercit (Canada). Alexander Falster (USA). Jeffrey de Fourestier (Canada). Robert Gault (Canada), Joel...(ltaly). Tony Steede (Canada). Ricardo Jose Sureda (Argentina). Ghcorgc Udubasa (Romania). Giovanna Veualini...Potassium Praseodymium Radium Radon H In I Ir Fe Kr La Pb Li Lu Mg Mn Hg Mo Nd Ne Ni Nb N Os 0 Pd p Pt ...\lim•ra/ogica ASG ASJS,\' Arc:hil-1.•s de Science G,•111.½·e Atti de/la Sod,•ta ltalicma di Scienze Natura/i...1·exactas,jisicos y natura/es. Unil'ersidad nacicmal de Cordoba Bulletin of the Geologica/ Society of Finland
Journal (issue)
Unusual Crystallization or... Mineral Pathology? //Mine mlogicheskii zhurnal. 1989.1.11, N 2. p.96-98. 10...Expedition of the Eastern-Siberian Geological Department, prepared a geological map at a scale of 1 200...Mogulova, geologists of the Chita Geological Department. They did not find any diamonds, but they discovered...during the warm season. Only a watchman stays at the mine through the winter. Last year, the teamleader Vasilii...other minerals) Information: Prog. Ray Grant, Department of Geology, Mesa Community College, 1833 W. Southern
Book (volume)
Lavrion, Greece (6) and Cu-poor adamite from Ojuela mine, Mexico (7) IR spectra of acid salts (silicates...Ca2B4O4(OH)7Cl·7H2O Locality: Salar de Carcote deposit, El Loa province, Antofagasta, Chile. Description: Colourless...637w, 600sh, 532w, 457w. B5 Ameghinite NaB3O3(OH)4 Locality: Tincalayu borax deposit, Salar del Hombre...Hombre Muerto, Salta province, Argentina (type locality). Description: Colourless grains. Identified by...Arsenato-Borates Sussexite 29 Mn2+BO2(OH) Locality: Gonzen mine, Sargans, St. Gallen, Switzerland. Description:
Book
Go Gu Dy Er F Gd Ga Ge GeOx Au OH In I IO3 Ir Fe La Pb Li Mg Mn Hg Mo MoOx Nd No. 787 3 41 233 60 221...K(U02)As04*3H20, Tet. Vitreous yellow. Fuemrole mine, Temple Mt., Emery Co., Utah, USA. H= 2-3, Djjj=...Achavalite, FeSe, @ Hex. Metallic. Cacheuta, Argentina. H=?, Djjj= 6.53, Dc= 6.716, HB 09a. Olsacher...grey, bluish-grey, yellow, light green. Langban mine, Filipstad (near), Varmland, Sweden. H= 5, Djjj=3...5As30ig, E Rhom. Translucent blue-green. Terres mine, St. Ausdell, Cornwall, England and/or Johanngeorgenstadt
Book
1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian Boyle...Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer...Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil...information to the authors. William H. Blackburn Department of Earth Sciences The University of Windsor 401
Book (edition)
H Rhodocbrosite, polished, 50 mm, Capillitas, Argentina, H Back cO\·erphoto: Wolframite. 45 mm. Yaogangxian...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43..."Dana's System of Mineralogy•· ( 1944, I 951, 1962). de Fourestier (1999) and Strunz and Nickel (2001). Mi11eral...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga
Book
interest themselves in the minerals of a single mine or mineral district, one or several particular mineral...to explore for fluorescing minerals. The field—mine, mine dump, or quarry—can be richly rewarding in its...produced under ultraviolet light. Deserts were combed, mine dumps searched, and shelves filled with showy fluorescent...beautiful specimens from the Mammoth-St. Anthony mine in Mammoth, Arizona, consisting of small, glassy... ee We ir ——e - Vast e i a ioe bene @ La : awe ee be f = 6a =e 7114 pad, mele \-
Book (edition)
ROBERT RAPP, JR. Associate Professor of Mineralogy Department of Geology and Geophysics, University of Minnesota...Minneapolis. Minnesota JULIUS WEBER Associate, Department of Mineralogy American Museum of Natural History...History, New York, New York Research Associate, Department of Mineralogy Royal Ontario Museum.Toronto. Canada...Vesuvius, Italy (12, column 2) and SEMSEYITE, Julcani mine, Huancavelica, Peru (#3, column 2). Color, page...coating fractures in sandstone at the Fuernrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely
Book (edition)
Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...es: CW DB DE DG DJ DK DM DO DP DS EB EO EE FM GD GG GH GM Arnold Hampson David Baker Ben De Witt William...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©... ee .) ye a * “5 ——~ a ; Vie See ieeeir La del ve Mie ya rita aneremes |Liye ale =) LP
Book
Activators.).;.secsssscrersr-nencseorceesassesecs: Al a de ce enense seer 83 Wallemite cen ceseces ccs meneeee...interest themselves in the minerals of a single mine or mineral district, one or several particular mineral...explore for fluorescing minerals. The field—mine, mine dump, or quarry—can be richly rewarding in ...produced under ultraviolet light. Deserts were combed, mine dumps searched, and shelves filled with showy fluorescent...beautiful specimens from the Mammoth-St. Anthony mine in Mammoth, Arizona, consisting of small, glassy
Report (volume)
National Laboratory Series Editor: Paul H. Ribbe Department of Geological Sciences Virginia Polytechnic Institute...Ridge, Tennessee 37831 U.S.A. Edward S. Grew Department of Geological Sciences The University of Maine...California; (3) salar deposits in the Andes of Argentina, Chile and Peru; and (4) marine evaporites, the...Russian Far East, and Mg-Fe borates in the Liaoning Province, China. In compiling the Table, whenever possible...for the Early Proterozoic deposit in Liaoning Province, China is that the deposit formed by metamorphism
 
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