 | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 July 2015 PICK&PACK Vol 55 ...... Number 6 Inside...Jacobson Topic: Pegmatitic Rare-earth Minerals of Colorado: Species and Identification Refreshments provided...Friends of Mineralogy, Colorado Chapter. Mark has collected rare earth minerals in Colorado, Texas, Wyoming...Minerals of Colorado: Species and Identification Most of the pegmatitic rare-earth minerals in Colorado are found...Platte district, Jefferson County; St. Peters Dome district, El Paso County, Trout Creek Pass district |  | Bermanec, Vladimir, TomasĚicĚ, Nenad, Kniewald, Goran, Back, Malcolm E., Zagler, Georg (2008) Nioboaeschynite-(Y), a new member of the aeschynite group from the Bear Lake Diggings, Haliburton County, Ontario, Canada. The Canadian Mineralogist, 46 (2) 395-402 doi:10.3749/canmin.46.2.395 | Journal (article/letter/editorial) | | NIOBOAESCHYNITE-(Y), A NEW MEMBER OF THE AESCHYNITE GROUP FROM THE BEAR LAKE DIGGINGS, HALIBURTON COUNTY, ONTARIO...Austria Abstract Nioboaeschynite-(Y), with ideal chemical formula [(Y,Ln),Ca,Th](Nb,Ta,Ti,Fe)2(O,OH)6,... is a new member of the aeschynite group. It was discovered at the Bear Lake Diggings, Lot 9, concession...concession X, Monmouth Township, Haliburton County, near Gooderham, Ontario, Canada. It occurs as subhedral...by TGA. The empirical formula of nioboaeschynite-(Y), based on six atoms of oxygen (without H2O) is [(Y0 |  | | Journal (article/letter/editorial) | | 2002, 14, 141-150 Metamict aeschynite-(Y) from the Evje-Iveland district (Norway): heat-induced recrystallization...structural-geometrical variations affecting the structure of aeschynite when heated in air, the heatinduced recrystallization...increase of heating temperature, other phases than aeschynite progressively crystallized (i.e. pyrochlore,...changes of the cation site-population. Key-words: aeschynite-(Y), Ti-Nb-Ta-oxides, rare earth elements, Rietveld...infrared spectroscopy. Introduction Minerals of the aeschynite series and the euxenite series (type-formula |  | | Book | | nearly all metals and the inevitable closing of many mining operations, it is a matter of the industry's survival...decision, not only is a handy volume affered to the mining and processing community but also duplication of...(such as "Rare earth elements geochemistry"; Henderson, P., editor) is avoided. The series "Special Publications...Z = 63) Europium (Gd, Z = 64) Gadolinium Yttrium (Y, Z = 39), although not a lanthanide, is eonveniently...similarity in ehemieal behaviour among the REE plus Y, and between Nb and Ta, that strongly influenees their |  | | Report (issue) | | Aeschynite-(Ce) (Ce, Ca, Fe, Th)(Ti, Nb)2(O, OH)6 c 2001-2005 Mineral Data Publishing, version 1 Crystal...037 (25) Chemistry: Nb2 O5 Ta2 O5 TiO2 SnO2 ThO2 (Y, Er)2 O3 (1) 29.64 21.81 0.18 15.75 1.12 (2) 23...forms series with nioboaeschynite-(Ce) and with aeschynite-(Y). Occurrence: In nepheline syenites and alkali...the USA, from south of Darby, Ravalli Co., Montana, and in the Henderson molybdenum mine, Clear Creek...Creek Co., Colorado. Name: From the Greek for shame, in allusion to the fact that early chemists had difficulty |  | | Journal (article/letter/editorial) | | thorite, fergusonite-(Y), aeschynite-(Y), yttrium-rich betafite, polycrase-(Y), uranopolycrase, niobian...pegmatite, relatively enriched in niobium (N), yttrium (Y) and other high-field-strength elements, but here...fergusonite-(Y), perrierite-(Ce), ilmenite, thorite, aeschynite-(Y), cheralite-(Ce), xenotime-(Y), thorogummite...thorutite, polycrase-(Y), uranopolycrase, kobeite-(Y), yttrobetafite-(Y), betafite-(Y), and a chlorite-group...containing anhedral crystals of thorutite and fergusonite-(Y), with quartz and albite up to 1 mm across. The crystals |  | | Book | | is a fue l for reactors to produce electricity, mining operati ons. Robert Lau f presents here a highly...The treatment of historical details makes for highl y classic localities. Uraniun, and Lhorium mineralogy...relationships, supported by the I iberal use of clear, easily understood crystal structure drawings. ln1portant...softvva re, using data files from the Boulder, Colorado; Pau la Piilonen, Candian Museum of An1erican...structures in three dimensions for a richer Mountain Mining; Leonard Himes and Michael Jacob, appreciation |  | Hecht, L., Thuro, K., Plinninger, R., Cuney, M. (1999) Mineralogical and geochemical characteristics of hydrothermal alteration and episyenitization in the KĂśnigshain granites, northern Bohemian Massif, Germany. International Journal of Earth Sciences, 88 (2) 236-252 doi:10.1007/s005310050262 | Journal (article/letter/editorial) | | the new formation of HREE-rich polycrase-(Y) or aeschynite-(Y) during post-magmatic stage 1. Negative Ce...anomalies of episyenites are associated L. Hecht (Y) Lehrstuhl fĂźr Angewandte Mineralogie und Geochemie...accessory minerals composed of YâNb (probably fergusonite, Y(Nb,Ta)O4), YâSiâU and NbâSiâThâU are also...(note the formation of some vug-filling albite and NbâYâTi oxides); d quartz leaching without preceding albitization...384 0.000 1.873 0.013 2.640 0.000 0.000 0.000 Z Y 4.000 5.909 4.000 5.913 4.000 5.891 4.000 5.964 |  | Nie, Xiao, Wang, Zongqi, Chen, Lei, Yin, Jingwu, Xu, Haiming, Fan, Li, Chen, PuPu, Wang, Gang (2020) Mineralogical constraints on NbâREE mineralization of the Zhujiayuan Nb (âREE) deposit in the North Daba Mountain, South Qinling, China. Geological Journal, 55 (6). 4845-4863 doi:10.1002/gj.3710 | Journal (article/letter/editorial) | | columbite-group minerals, fersmite, monazite, and aeschynite-group minerals were Correspondence Lei Chen...the columbite-group, fersmite, monazite, and aeschynite-group minerals, as well as the Funding information... Kananian, granites (Linnen, Samson, Williams-Jones, & Chakhmouradian, Harlov, & Oberhänsli, 2015;...during magmatic-hydrothermal evolution Williams-Jones, 1990, 1996, 2006; Schmitt, Trumbull, Dulski, &...Marks, Wen- Emmermann, 2002; Sheard, Williams-Jones, Heiligmann, Pederson, & zel, Jacob, & Markl, 2015) |  | | Book | | variety amethyst, sceptre habit, Denny Mountain, King County, Washington, U.S.A. / Photo by Ken Mayer Production...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 |  | | Book (edition) | | (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA). Dmitriy Belakovskiy (Russia). Fabio Bellatreccia...(Italy), T.S. Ercit (Canada). Alexander Falster (USA). Jeffrey de Fourestier (Canada). Robert Gault (Canada)...William A. Henderson. Jr. (USA). D.D. Hogarth (Canada). J.L. Jam bor (Canada), Anthony R. Kampf (USA). Pave...Karnp-Moller (Denmark). Akira Kato (Japan). Lance E. Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria)...Republic). Per Nystcn (Sweden), David O'Hanlcy (USA). Filippo Olmi (deccased) (ltaly). Werner H. Paar |  | | Book (edition) | | ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones Collection, photo...Ebner Flagg Mineral Foundation Mark Hay Robert W. Jones Mineralogical Society of Arizona Tony Potucek Prescott...have had element designations added, as in euxenite-(Y); and still others have been discredited for various...used mining districts as part of the locality description. These political and geographic district names...with a more descriptive term, metallic mineral district. This term shows the geochemical and mineralogical |  | | Journal (article/letter/editorial) | | Ambatofotsikely and from Ampangabe are actually samarskite-(Y). Another sample listed as âamgangabeiteâ was actually...Vohambonitra was actually aeschynite-(Y). Three samples labeled âprioriteâ [aeschynite(Y)] consisted of two...âSamarskiteâ from Samandravo was indeed samarskite-(Y).A Volume 78, March/April 2003 117 sample of a...identified as polycrase-(Y), and âfergusoniteâ from Berere was indeed fergusonite-(Y). âScandian ixioliteâ...MICROMINERALS FROM BLACK JACK CANYON, GREENLEE COUNTY, ARIZONA. E. Grundel, 2000 S. 2d St., No. 8, Arlington |  | | Journal (issue) | | 4 cm -high specimen is from the DeMaria mine in Placer County, California. (Jeff Scovil Photo/Brett Keller...Detecting for Gold.......................... 12 by Bob Jones a common and well-crystallized collector mineral... by Bob Jones collecting run-of-the-mine specimens by Steve Voynick Montana Placer Mining .............. 28 Wire gold and glacial nuggets on Hughes creek regular columns by Rob Towner Rock & Gem Kids...mzexpos@gmail.com www.mzexpos.com Like us on facebook COLORADO MINERAL & FOSSIL SHOW SEPT. 7 - 14, 2014 ~ DENVER |  | | Book | | minority, many such names exist, as will become clear later. Names based on chemical compositions, crysÂŹ...minority, many such names exist, as will become clear later. Names based on chemical compositions, crysÂŹ...crystallographers, geologists, petrologists, geochemists, mining engineers, mineral assayers, curators, collectors...chemist and mineralogist; student of Torbern Bergman; mine owner and mineral analyst; trained J. J. Berzelius...Louis Cordier (1777-1861), French geologist and mining engineer; student of Haiiy; helped enlarge the |  | | Book | | Enterprises, PO Box 213, Livermore, California, 94551, USA. Because of space limitations, only a subset of the...Hidden Valley Road, Kingsport, Tennessee, 37663, USA. The authors appreciate the advice and kind assistance...City, Nevada, USA; Peter Embrey, London, England; Jessie Hardman, Long Beach, California, USA; and Barbara...Barbara Nichols, Livermore, California, USA. All of these colleagues made helpful comments and substantive...Enterprises PC Box 213 Livermore California 94551 USA Elemental Table âElementâ Aluminum Amide Ammonium |  | | Book | | ore has been estimated by M/s Ramgad Minerals and Mining Limited, with an average grade of 1.62% REO. In...Pradesh. In addition, pegmatites of the Madurai district, Tamil Nadu, also contain REE minerals. Where...Thermal Power Plants, Fertiliser Plants, different Mining Agencies and Steel Plants can also be involved...of Monazite, Garnet and Zircon 2.11 Beach Sand Mining and Mineral Separation . . . . . . 2.12 REE Recovery...Area, Jharkhand and West Bengal . . 3.3.2 Simdega District, Jharkhand . . . . . . . . . . . . . . . . . |  | | Book | | '.:. :,.¡ ~'. ', â˘â˘ 1, â˘,¡ \:_)\_?. '.:,y::_.;:' ⢠.-.,¡¡: ..,;'.-¡.:¡.;:/f/t'l.._._._,, '¡¡¡â˘â˘::::â˘â˘...last, at www.MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege....extremely rare yttrium silicate-carbonate iimoriite-(Y) occurs at Trimouns as colorless, pink and pale brown...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns |  | Duran, Charley J., Seydoux-Guillaume, Anne-Magali, Bingen, Bernard, Gouy, Sophie, de Parseval, Philippe, Ingrin, Jannick, Guillaume, Damien (2016) Fluid-mediated alteration of (Y,REE,U,Th)â(Nb,Ta,Ti) oxide minerals in granitic pegmatite from the Evje-Iveland district, southern Norway. Mineralogy and Petrology, 110 (5) 581-599 doi:10.1007/s00710-016-0436-4 | Journal (article/letter/editorial) | | alteration of (Y,REE,U,Th)â(Nb,Ta,Ti) oxide minerals in granitic pegmatite from the Evje-Iveland district, southern...of (Y,REE,U,Th)â(Nb,Ta,Ti) oxide minerals in a granitic pegmatite from the Evje-Iveland district, southern...micro-analysis and infrared absorption spectroscopy. The (Y,REE,U,Th)â(Nb,Ta,Ti) oxide mineral is euxenite, which...altered euxenite are depleted in U, Pb, Ti, Nb, and Y, but enriched in Si and Ca relative to unaltered euxenite...Introduction Complex (Y,REE,U,Th)â(Nb,Ta,Ti) oxide minerals of the euxenite, aeschynite, samarskite, fergusonite |  | | Book | | NAIROBI DAR ES SALAAM CAPE TOWN Published in the USA by Oxford University Press, New York 2 Filmset...need for a cumulative index. It rapidly became clear that an alphabetized reprinting of the full entries...Al)16O34(Cl,SO4,CO3)4.0-6H2O, from a lapis-lazuli mine, Sar-e-Sang, Badakshan province, Afghanistan. The...Greenish-blue hexagonal crystals from the Bou-Skour copper mine, Jebel Sarhro,* Ouazazate,* Morocco, have the composition...7-773, b 18-942, c 6-984 A, a 90-148°, P 116-84°, y 94-145°, occur in a metamorphosed alkaline rock in |  | Macdonald, Ray, BagiĹski, BogusĹaw, Stachowicz, Marcin, Zozulya, Dmitry, Kotowski, Jakub, Jokubauskas, Petras (2022) Extreme Alteration of Chevkinite-(Ce) by Pb-CO2-Rich Fluids: Evidence from the White Tundra Pegmatite, Keivy Massif, Kola Peninsula. Minerals, 12 (8) 989 doi:10.3390/min12080989 | Journal (article/letter/editorial) | | Peninsula. Pb-CO2 -rich fluids initially removed REE and Y from the chevkinite-(Ce), with enrichment in Pb and...strong positive Ce anomalies. A notably U-rich aeschynite-(Y), with UO2 values â¤7.67 wt%, crystallized along...along with the chevkinite-(Ce). Aeschynite-(Y) with a lower UO2 value (3.91 wt%) and bastnäsite-(Ce) formed...Pb-Ti-Fe-Si phase, which is accompanied by aeschynite-(Y), bastnäsite(Ce), and quartz. The Pb-Ti-Fe-Si...mdpi.com/journal/minerals Minerals 2022, 12, 989 (Y), bastnäsiteâ(Ce), and quartz. The PbâTiâFeâSi phase |  | | Journal (article/letter/editorial) | | MĂśssbauer spectroscopy study.... 85 M. MELLINI , Y. FUCHS, C. VITI, C. LEMAIRE, J. LINARĂS.â Insights...M. ZOPPI, L. DEI.â Metamict aeschynite-(Y) from the Evje-Iveland district (Norway): heat-induced recrystallization..................................... ......... 361 Y. KAWACHI, D.S. COOMBS, B.E. LEAKE, R.W. HINTON.â The...anhydrous amphibole ungarettiite from the Woods mine, New South Wales, Australia...................................... ......... 459 M.P. SMITH, P. HENDERSON , T. JEFFRIES .â The formation and alteration |  | Yang, Zhuming, Smith, Martin, Henderson, Paul, LeBas, Michael J., Tao, Kejie, Zhang, Peishan (2001) Compositional variation of aeschynite-group minerals in the Bayan Obo Nb-REE-Fe ore deposit, Inner Mongolia, China. European Journal of Mineralogy, 13 (6) 1207-1214 doi:10.1127/0935-1221/2001/0013-1207 | Journal (article/letter/editorial) | | 2001, 13, 1207â1214 Compositional variation of aeschynite-group minerals in the Bayan Obo Nb-REE-Fe ore...Abstract: The aeschynite-group minerals occurring in an aegirine-fluorite-dolomite- aeschynite vein in the...concentrationsof REE2O3 are globally high in aeschynite-groupminerals, ranging from 36.72 to 40.32 wt...identified in the same sample, these being aeschynite-(Ce), aeschynite-(Nd), nioboaeschynite-(Ce) and nioboaeschynite-(Nd)...~0.15 to 0.40. It indicates that at Bayan Obo aeschynite minerals are relatively strongly La-depleted |  | Zozulya, Dmitry, Lyalina, Lyudmila, Macdonald, Ray, BagiĹski, BogusĹaw, Savchenko, Yevgeny, Jokubauskas, Petras (2019) Britholite Group Minerals from REE-Rich Lithologies of Keivy Alkali GraniteâNepheline Syenite Complex, Kola Peninsula, NW Russia. Minerals, 9 (12) 732 doi:10.3390/min9120732 | Journal (article/letter/editorial) | | Peninsula, NW Russia, contains numerous associated Zr-REE-Y-Nb occurrences and deposits, formed by a complex sequence...lithologies are proposed. Fluorbritholite-(Y) and britholite-(Y) from products of alkali granite (mineralized...britholite-(Ce), britholite-(Y), fluorbritholite-(Ce), fluorbritholite-(Y), and fluorcalciobritholite...Zr-REE-Y-Nb orepart occurrences and deposits Peninsula, NW Russia, showing the location of ZrâREEâYâNb ore...province are extremely enriched in Zr (300â5000 ppm), Y (40â500 ppm), Nb (20â600 ppm), REE (100â1000 times |  | | Journal (article/letter/editorial) | | -rosenbuschite group from the Langesundsfjord district, Norway: definition and crystal structure. European...Historieglimt 2004 (Arsskrift for Krager" og Sk~t"y Historielag), 93-108. GUASTONI, A & PEZZOTTA, F. (2004):...xanthopite) from Skutesundskjffir in the Langesundfjord district, Norway. Norsk Bergverksmuseum, skrift 30, 63-67...Bergverksmuseum, skrift 30, 41-57. LARSEN, R, HENDERSON, I., IHLEN, P. M. & JACAMON, F. (2004): Distribution...Mineralogy 16,979-988. RAADE, G. & WilLIAMS, C.T. (2004): (Y+REE)-dominated analogues of petscheckite from the |
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