 | Sunde, Øyvind, Friis, Henrik, Andersen, Tom, Trumbull, Robert B., Wiedenbeck, Michael, Lyckberg, Peter, Agostini, Samuele, Casey, William H., Yu, Ping (2020) Boron isotope composition of coexisting tourmaline and hambergite in alkaline and granitic pegmatites. Lithos, 352. 105293 doi:10.1016/j.lithos.2019.105293 | Journal (article/letter/editorial) |
| Plutonic Complex (Norway) and one peralkaline pegmatite related to the nearby Eikeren-Skrim Complex (Norway)...also analysed from peraluminous pegmatite localities (Russia, Tajikistan, and Pakistan) to test for systematic...composition of tourmaline and hambergite in a number of pegmatite settings worldwide to address two distinct research...hambergite in the LPC and in pegmatites from other localities and geochemical environments. Journal Pre-proof...pegmatites and samples used in the study The pegmatite localities sampled for this study cover a compositional |
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| Colorado 80210 markivanjacobson@gmail.com No pegmatite mineral collection is complete without octahe-...Fluorite is almost always a late-stage mineral in pegmatite cavities, forming a colorful, attractive icing...showing the major worldwide pegmatitic fluorite localities, prepared by William Besse. The numbers are keyed...training, with a long-term specialty in collecting pegmatite minerals. He currently works in Chengdu, Sichuan... Pegmatitic fluorite localities with major references describing the localities and geology. Locality |
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| are also probably of that age. The Strickland pegmatite at Portland, Connecticut, the near-by Hale deposit...Mountain pegmatite at Woburn, Massachusetts,are Devonian in age.7The famous Bedford pegmatite in WestchesterCounty...occur on Mount Royal, Montreal. Intrusions of pegmatite accompanied Paleozoic ore deposition in widely...Paleozoic granites of western Spain.12Tin-bearing pegmatite dikes in eastern Victoria cut the Silurian metamorphic... cit., pp. 300-311. t6 Dolmage, Victor, Finlay River district, British Columbia:' Canad'ian l[i'n. TH |
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| . andtheir LOCALITIES JAN H. BERNARD AND JAROSLAV HYRSL 4,200 MINERALS 8,500 LOCALITIES 1,0'00 {30LOR...{30LOR PnOTOS ·MINERALS andtheir LOCALITIES This book is respectfully dedicated to the memory of Dr....book in English version. MINERALS andtheir LOCALITIES JanH. BernardandJaroslavHyrsl Editedby VandallT................. 7 Mineral Species and their Localities .............. Explanation of Symbols and Abbreviations...Abbreviations ........ The Richest Type Localities of the World ......... 13 13 684 References . . |
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| J . 0 7 7 3 5 Euclase is one of the rarest pegmatite gem minerals, and has never been found in sufficient...average mineral collector. Recently, however, a pegmatite at Santana do Encoberto in the Sao Sebastao de...and most highly prized. Some of the other world localities, B which have produced euclase crystals, in...Sanarka River, and the Grossglockner region of Corinthia, as well as several other non-pegmatite oc currences...finest blue ones from Brazil. Although many pegmatite localities in North America have the same genetic relationships |
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| become an important part of the new Buffalo National River Park. In addition to fieldwork and collecting carried...Thompson Lith. & Ptg. Co., 1900. Buffalo National River, Washington: Govern ment Printing Office, 1968...Engineering and Mining Journal, Vol. 67, 1889. PEGMATITE MINERALS OF MAINE B y D A V I D M. SEAMAN 36 Winter...has been noted as an alteration product at many localities, especially at Buckfield, Greenwood, and Paris...manganese iron phosphate, has been noted in lithium pegmatite as an alteration of reddingite as octahedral-like |
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| X-ray fluorescence for lepidolite of various pegmatite subtypes, morphology ("book", "scaly", "fine-grained")..."fine-grained"), position within the pegmatite (primary zones, replacement units, pockets), mineral assemblages...Glimmern aus granitischen Pegmatiten Granitische Pegmatite, die dutch fortgeschrittene Anreicherung und Fraktionierung...a high-pressure, low-temperature condition of pegmatite crystallization in contrast to the low-pressure...usually forms late in the consolidation of the pegmatite, occurring as primary "books", or medium- to fine-grained |
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| mineral collector in that the exposure shows pegmatite emplacement with scope and clarity rarely seen...a i n , Maine. beryl area at Moody 547 pegmatite dikes (numbered 1-3 on the illustration) and a...a series of generally horizontal bodies of pegmatite up to 100 feet in thickness, which form a large...was noticed early in the exploration that the pegmatite was of two distinct types, only one of which contained...which the beryl pegmatite occurred as a discontinuous zone within the non-beryl pegmatite, but later evidence |
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| PROCESSES IN GRANITIC PEGMATITES: EXAMPLES FROM TWO PEGMATITE FIELDS IN SOUTHERN NORWAY RUNE B. LARSEN§ Geological...pegmatites from the Evje–Iveland and Froland pegmatite fields in southern Norway was analyzed for the...technique. Earlier results imply that the two pegmatite fields are nearly indistinguishable in terms of...les résultats antérieurs, les deux champs de pegmatite n’étaient pas distinguables en termes de leur...understand the origin and evolution of granitic pegmatite fields. Traditionally, the origin, evolution and |
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| granitic pegmatites. It occurs in all stages of pegmatite evolution and in a wide array of colors, from...pegmatites. It typically occurs in the late stages of pegmatite consolidation (e.g., miarolitic cavities and replacement...MINERALS Purple apatite from sixteen granitic pegmatite localities displays various shades of purple, from...GADOLINITE-(Y) IN WISCONSIN: THE KELLER LAKE PEGMATITE. I: W Buchholz’, A. U. Falste9, W B. Simmons2...small pegmatites hosted by the Red River Granite unit of the Wolf River Batholith. The largest, designated |
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| All the known bedrock occurrences of lithium pegmatite are contained within this marginal deformation...granitoids in an attempt to resolve the problem of pegmatite genesis. The results suggest a strong geochemical...Leinster Granite in southeast Ireland define a pegmatite province which stretches from Stranakelly, northwest...1986). At least six bedrock occurrences of Li pegmatite are known (Figure l), along the margin of the...Ordovician ( 7 ) volcanics Spodumene pegmatite (proven bedrock) Spodumene pegmatite (balder train) Faults '\ |
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| nueit Jrompage tOS; EUROPE ENcr,aNn. Principal localities: SouthwesternEngland (especially Devon, Cornwall... Isle of Man, and North of England. Types of pegmatite: Granite simple and complex and quartz monzonite...granodiorite pegmatites. Beryl is present in a pegmatite at Rubislaw, near Aberdeen. gneissin RrtrnnNcns:... no. 825, pp. 110-116,March, 1933. Inrr.aNr. Localities: Carlingford-Mourne Mts. district of Louth and...MINERALOGICAL SOCIETY OF AMERICA I J.) of pegmatite: Granite simple and complex. Latter have a beryllium |
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| minerals and cassiterite from the Black Mountain pegmatite, Maine MICHAEL A. WISE* and CATHLEEN D. BROWN...Ta-,Sn-oxide minerals from the Black Mountain pegmatite has revealed the presence of discrete crystals...Key-words: cassiterite, columbite-group minerals, pegmatite, Black Mountain, Maine. 1. Introduction and...grains hosted by cassiterite. The Black Mountain pegmatite is one of a few pegmatites in western Maine which...occurring together are not uncommon in granitic pegmatite systems, yet the data on cassiterite and coexisting |
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| ................... 211 SOUTHERN CALIFORNIA LOCALITIES. 9. San Jacinto Mts. CLUB AND SOCIETY NOTES...granite pegmatites are the most common type of pegmatite. They are igneous dikes or \Teins essentially...The largest crystal in the world ·was found in pegmatite. It was a perthitic microcline crystal measuring...sometimes gabbros as at some of the California localities. Often in the mica schists, the pegmatites have...rare mineral species only found in this type of pegmatite. Over 250 species have been observed in pegmatites |
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| granitic belt (Fig. 1), which contains abundant pegmatite lenses and some dikes with dark quartz crystals...element (REE)-bearing accessory minerals. The pegmatite zircons are often impure, containing REE, U, Th...Aplitic–pegmatitic dikes cut through the main facies. Small pegmatite lenses, often drusy, are scattered sporadically...often with metamict thorite. Naegite occurs in pegmatite and pegmatitic quartz veins in the Naegi area...area, but is commonly found in heavy minerals of river placer, which prevails in the district (Hamachi, 1961) |
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| issue. LEAD IN AMMONITE FELDSPAR FROM WORLDWIDE LOCALITIES AND ITS RELATIONSHIP TO COLOR. S. N. Brightwell... Sixty-four samples from nine worldwide pegmatite localities were quantitatively analyzed to compare...intensity. The localities examined included Lake George and Florissant, Colorado; the Zapot pegmatite, Mineral...25 174 48 Florissant, Colorado 1 0 Zapot pegmatite, Nevada 1 3 4 5 91 95 0 0 Carroll County, New...mineralogy. Intermediate and core zones of the pegmatite contain a series of Nb-Ta-UTh minerals, and albite |
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| brooch/pendant is set with topaz from three different localities. Two Brazilian "Imperial" topaz gems make up...crystals from pegmatite pockets are commonly etched, and crystals from some localities are preferentially...primary A newly opened pegmatite about 2 km from Sibiri on the banks of the Basha River in Gilgit-Baltistan...porphyry deposits intermediate in water content, and pegmatite deposits deeper and wetter. However, a study of...occur most prominently in pegmatites. Notable Localities: Schneckenstein, Saxony, Germany; Minas Gerais |
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| MINE ."Iii[! iil"J www.tandfonline.com/vram Pegmatite Minerals & Gems WILENS EXQUISITE MINERALI ...Cook 10 Southern California Pegmatite Gems Mark Mauthner 16 The Pegmatite Interest Group (PIG) Is Hog...Hog Heaven! David London Pegmatite gems, p. 70 18 Pegmatites William B. Simmons, Karen L. Webber, and...Cliff Trebilcock, Lifelong Field Collector of Pegmatite Minerals, Recipient of the Maine Mineral & Gem...Heritage Award Donald A. Dallaire 56 Maine Pegmatite Workshop: Sponsored by the Maine Mineral & Gem |
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| contains all other subject indexes (species, localities, etc.) merged alphabetically into one. We think...S. White) 25:53-54 AFGHANISTAN Famous mineral localities: the pegmatites of Laghman, Nuristan, Afghanistan...Hilaire, Quebec 2: 141-142 AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J...Hollabaugh) 20:355-362 ALASKA Famous mineral localities: Prince of Wales Island, Alaska (by P. B. Leavens...Ingelson) 15:8994 ALBERTINI, CLAUDIO Famous mineral localities: Baveno, Italy 14:157168 ALBITE Davis Hill near |
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| o f n e w types of garnets from a variety of localities has createdidentification problems for the gemologist...prospects for future production of emeralds a n d pegmatite g e m s , i n particular, are excellent. ABOUT...been found primarily in the Panjshir Valley.* Pegmatite gems-tourmaline, kunzite, and aquamarine-have...6,000 m (19,500 ft.) separated by narrow, steep river valleys. The road network GEMS & GEMOLOGY Winter...Panjshir emeralds (Neilson and Gannon, 1977) and of pegmatite gemstones from Nuristan (Bariand and Poullen, |
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| Mexico; 5. Appalachian pegmatite belt; 6. Rondoni, Brazil; 7. eastern Brazil pegmatite belt (includes Ouro...Volyn and Kiev pegmatite districts, Ukraine; 11. Ural Mountains, Russia; 12. Gilgit pegmatite district and...gravels of Sri Lanka; 18. Myanmar-Thailand tin pegmatite belt; 19. Transbaikal area (includes pegmatites...mtr7. Figure 5. Topaz, 16.5 em long, Wolodarsk pegmatite, Ukraine. NMNH specimen 170753. n.5 em long,...Deposit Type Granite Topaz granites Greisens Pegmatite Li, Cs, Ta-rich Nb, Y, F-rich Examples St. |
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| at Goshen, Massachusetts, and from a number of localities in California as at Pala (zoned crystals with...white shell has been found at the Border no. 2 pegmatite near Canyon City, Colorado. CORD1ER1TE or Iolite...Climax pegmatite near Micanite north of Canon City, Colorado, It has also been found in pegmatite at Haddam...Haddam, Connecticut; and in the- Neal pegmatite near Unity, New Hampshire. Chlorophyllite a common alteration...alteration product occurs at most of the cordierite localities. EUCRYPTITE is lithium and aluminum silicate |
 | Sokolova, Elena, Day, Maxwell C., Hawthorne, Frank C., Kristiansen, Roy (2018) Heyerdahlite, Na3Mn7Ti2(Si4O12)2O2(OH)4F(H2O)2, a new mineral of the astrophyllite supergroup from the Larvik Plutonic complex, Norway: Description and crystal structure. Mineralogical Magazine, 82 (2) 243-255 doi:10.1180/minmag.2017.081.051 | Journal (article/letter/editorial) |
| Heyerdahlite was found in a nepheline-syenite pegmatite with albite, aegirine, hastingsite/magnesio-hastingsite...mineral association in the Bratthagen syenite pegmatite shows mineralogical and geochemical features rather...late-stage hydrothermal mineral in a nepheline-syenite pegmatite. It occurs as radiating fans up to 2 mm in diameter...Heyerdahlite occurs in the Bratthagen nepheline syenite pegmatite of the Larvik Plutonic complex, Norway (Larsen...Khomyakov et al., 2011; Oberti et al., 2014). The pegmatite is situated in a road cut on the main road RV8 |
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| C o l o r a d o Mineral Collecting Localities Downloaded by [Erciyes University] at 19:27 25 December...surveys some of the state’s best-known mineral localities, with an emphasis on those that are, or have...of its directions are now out of date and many localities are no longer accessible, the book is still in...gemstone localities (Murphy and Modreski 2002) also describes in greater detail many of the localities discussed...Minerals was titled “A Tour of Colorado Gemstone Localities”; it was coauthored with Jack A. Murphy and appeared |
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| dumps-adding that, in his judgment, many more "lost" localities for good ilmenite crystals exist in the region...STATES and CANADA BRITISH COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline...century and well into the 20th, vague ilmenite localities were noted Moore'.\· Cmt1pi•,uli11111 of Mi11eml...for although hematite roses occur in numerous localities in Switzerland, it is only in the Maderanertal...west-southwest from a mountain massif to join the Reuss River at the town of Amsteg, subordinate drainages running |
