Petrusenko, S. & Arnaudov, V. (1996): Desilicified pegmatites with dravite and corundum from the Ikhtiman Sredna Gora, Bulgaria. Geokhimiya, Mineralogiya i Petrologiya 31, 65-77 (in Bulgarian).

Reference Search (possible matching items)

	*Wise, Michael A. (2007) Crystallization of 'Pocket' Berthierine from the Pulsifer Granitic Pegmatite, Poland, Maine, USA. Clays and Clay Minerals, 55 (6) 583-592 doi:10.1346/ccmn.2007.0550605*	Journal (article/letter/editorial)
	‘POCKET’ BERTHIERINE FROM THE PULSIFER GRANITIC PEGMATITE, POLAND, MAINE, USA M I C H AE L A. W IS E Department...berthierine has been found in the Pulsifer granitic pegmatite, near Auburn, Maine. Berthierine was found in...cordierite-group minerals. Key Words—Berthierine, Granitic Pegmatite, Miarolitic Cavity, Hydrothermal Fluids, Pulsifer...ironstones (Bhattacharyya, 1983). Non-marine occurrences of berthierine include desert and lateritic soils...triphylite-calcian beusite intergrowths. In the Hagendorf-Sud pegmatite, berthierine occurs as thin, dark green idiomorphic
	Wise, M. A., Francis, C. A., Cerny, P. (2012) COMPOSITIONAL AND STRUCTURAL VARIATIONS IN COLUMBITE-GROUP MINERALS FROM GRANITIC PEGMATITES OF THE BRUNSWICK AND OXFORD FIELDS, MAINE: DIFFERENTIAL TRENDS IN F-POOR AND F-RICH ENVIRONMENTS. The Canadian Mineralogist, 50 (6) 1515-1530 doi:10.3749/canmin.50.6.1515	Journal (article/letter/editorial)
	the Brunswick pegmatite field and the Central Maine Synclinorium of the Oxford pegmatite field, in Maine...characteristics (e.g., Topsham area of the Brunswick pegmatite field). Significant chemical-compositional and...Brunswick and Oxford pegmatite fields. Columbite-group minerals from the Brunswick pegmatite field mainly consist...The structural state of CGM from the Brunswick pegmatite field ranges from highly cation-disordered to...predominantly highly ordered CGM in the Oxford pegmatite field. Limited concurrent fractionation of Mn
	*Cook, Robert B. (2009) Connoisseur's Choice: Spessartine Marienfluss, Northern Namibia. Rocks & Minerals, 85 (1) 50-59 doi:10.1080/00357520903458194*	Journal (article/letter/editorial)
	its broad distribution, only those spessartine occurrences furnishing good specimens or important gem rough...also in Amelia County, and from the Herbb No. 2 pegmatite near Flat Rock, Powhatan County, Virginia (Dietrich...Figure 4 (left). A fine 7.6-cm-wide spessartine and schorl specimen from the Little 3 mine, Ramona, San Diego...in good specimens from most, if not all, such occurrences. It is, however, locally associated with and...Ytrrian spessartine occurs in the Brown Derby pegmatite in the Ohio Creek district, Gunnison County. Roberts
	*Lupulescu, Marian (2007) Minerals from New York State: Pegmatites. Rocks & Minerals, 82 (6) 494-501 doi:10.3200/rmin.82.6.494-501*	Journal (article/letter/editorial)
	references in the geological literature about the pegmatite bodies from New York. These occur in two different...There are approximately twenty-five important pegmatite bodies that Tan (1966) separated into the following...York Bedford pegmatite district—we can add here the small xenotime- or beryl-bearing pegmatite bodies in...in New York City and the amazonite-bearing pegmatite at Valhalla; 2. southern Adirondack pegmatites at...specimen–producing locations. Probably the most important pegmatite in New York is at Bedford in Westchester County
	Soares, D. R., Beurlen, H., Barreto, S. d. B., Da Silva, M. R. R., Ferreira, A. C. M. (2008) COMPOSITIONAL VARIATION OF TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 46 (5) 1097-1116 doi:10.3749/canmin.46.5.1097	Journal (article/letter/editorial)
	OF TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL Dwight Rodrigues...rare-element-class granitic pegmatites from the Borborema Pegmatite Province (BPP), northeastern Brazil. Tourmaline...crystallizing as Mg-rich members of the dravite–schorl solid-solution series. Tourmaline from the intermediate...zone is richer in Fe and Al+Li, crystallizing as schorl. The Fe–Mg-free and Li–Al-rich elbaite is typical...high Cu contents, up to 1.07 wt.% CuO. In other occurrences of the “Paraíba tourmaline” in the BPP, up to
	Dutrow, B. L., Henry, D. J. (2000) COMPLEXLY ZONED FIBROUS TOURMALINE, CRUZEIRO MINE, MINAS GERAIS, BRAZIL: A RECORD OF EVOLVING MAGMATIC AND HYDROTHERMAL FLUIDS. The Canadian Mineralogist, 38 (1) 131-143 doi:10.2113/gscanmin.38.1.131	Journal (article/letter/editorial)
	magmatic and hydrothermal fluids involved in pegmatite formation. Optical and back-scattered electron...generation varies from Fe-rich elbaite to Li-rich schorl, and the third generation is a yellowish-green...indistinguishable from the second-generation Li-rich schorl fibers. Textural and compositional discontinuities...crystallization of the pegmatite. The composition was reset to a Li-rich schorl during late-phase fracturing...hydrothermale accompagnant la cristallisation de la pegmatite. Les images optiques et les images résultant de
	Novak, M., Skoda, R., Gadas, P., Krmicek, L., Cerny, P. (2012) Contrasting Origins of the Mixed (NYF + LCT) Signature in Granitic Pegmatites, with Examples from the Moldanubian Zone, Czech Republic. The Canadian Mineralogist, 50 (4) 1077-1094 doi:10.3749/canmin.50.4.1077	Journal (article/letter/editorial)
	Li-bearing (lithium micas + elbaite) Kracovice pegmatite, with “amazonite”, samarskite and fergusonite...is the product of the strong fractionation of pegmatite-forming melt derived from the orogenic I-type...granite– pegmatite system of the Třebíč pluton and the mainly Li-bearing Kracovice pegmatite are typical...petrogenetic family. The contaminated elbaite-subtype pegmatite Bližná I, Český Krumlov Unit, with lithium tourmalines...contamination with Ca, Mg and REE of an evolved (LCT) pegmatite-forming melt by distal carbonatite-like marbles
	Tindle, A. G., Breaks, F. W., Selway, J. B. (2002) TOURMALINE IN PETALITE-SUBTYPE GRANITIC PEGMATITES: EVIDENCE OF FRACTIONATION AND CONTAMINATION FROM THE PAKEAGAMA LAKE AND SEPARATION LAKE AREAS OF NORTHWESTERN ONTARIO, CANADA. The Canadian Mineralogist, 40 (3) 753-788 doi:10.2113/gscanmin.40.3.753	Journal (article/letter/editorial)
	compositional evolution of pegmatite-forming melts through magmatic crystallization and pegmatite melt – host-rock... At the former locality, tourmaline from the pegmatite units is essentially magmatic, whereas at the...involved the introduction of B, Li and Al from pegmatite-generated fluids to form metasomatic haloes. The...from tourmaline with a signature influenced by pegmatite – host-rock interaction. The behavior of Ca in...useful in recognizing late-stage Ca-enrichment in pegmatite-forming melts as a result of Ca–F complexing,
	Čopjaková, R., Škoda, R., Vašinová Galiová, M., Novák, M. (2013) Distributions of Y + REE and Sc in tourmaline and their implications for the melt evolution; examples from NYF pegmatites of the Třebíč Pluton, Moldanubian Zone, Czech Republic. Journal of GEOsciences, 58 (2) 113-131	Journal (article/letter/editorial)
	contents of Sc compared to the analyzed host pegmatite units (less than 1 ppm Sc). The contents of Sc...P2O5) and Ca contents (< 0.8 wt. % CaO) in host pegmatite unit preventing precipitation of Y + REE phosphates...allanite, respectively. (ii) Tourmaline (schorl, fluor-schorl, fluor-elbaite) from more evolved pegmatites...(evolved euxenite-type and mixed (NYF + LCT) pegmatite) show a depletion in REE and Sc with progressive...concentrations of Y + REE and REE patterns in relation to pegmatite family (LCT or NYF), degree of fractionation,
	*Kynický, Jindřich, Krejsek, Štěpán (2013) Discovery of New Gem Tourmaline Pockets in the Sosedka Pegmatite, Malkhan, Russia. Rocks & Minerals, 88 (4) 308-315 doi:10.1080/00357529.2013.796748*	Journal (article/letter/editorial)
	the Sosedka Pegmatite Malkhan, Russia 308 ROCKS & MINERALS Figure 1. Sosedka pegmatite quarry wall...Russia; prepared by William Besse. he Malkhan pegmatite field, located about 250 kilometers southeast...It is currently the most important producing pegmatite district in Siberia and the whole of the former...Peretyazhko 2008). Although it is not the only pegmatite district in the region, its size and the richness...and Current Status Although schorl was known from pegmatite occurrences of the Malkhan Ridge since the
	Keller, Paul, Roda Robles, Encarnación, Pesquera Pérez, Alfonso, Fontan, François (1999) Chemistry, paragenesis and significance of tourmaline in pegmatites of the Southern Tin Belt, central Namibia. Chemical Geology, 158 (3) 203-225 doi:10.1016/s0009-2541(99)00045-5	Journal (article/letter/editorial)
	accepted 25 February 1999 Abstract Numerous pegmatite bodies occur in several distinct belts within...in composition depending on pegmatite type and location within the pegmatite. Electron microprobe analyses...proton-loss and alkali-defect substitutions from the schorl additive component. These substitutions account...X site and OH occupancies at the expense of the schorl component. Amounts of Al ŽY. range from 0.23–0...tourmalines suggest a low oxidation state of the pegmatite-forming fluids. As the precipitation of cassiterite
	Ercit, T. S., Groat, L. A., Gault, R. A. (2003) GRANITIC PEGMATITES OF THE O'GRADY BATHOLITH, N.W.T., CANADA: A CASE STUDY OF THE EVOLUTION OF THE ELBAITE SUBTYPE OF RARE-ELEMENT GRANITIC PEGMATITE. The Canadian Mineralogist, 41 (1) 117-137 doi:10.2113/gscanmin.41.1.117	Journal (article/letter/editorial)
	THE ELBAITE SUBTYPE OF RARE-ELEMENT GRANITIC PEGMATITE T. SCOTT ERCIT§ Canadian Museum of Nature, P.O...the elbaite subtype of rare-element granitic pegmatite has been encountered within the O’Grady batholith...granite and felsitic satellite dykes. On the whole, pegmatite bodies show a mildly NYF-type geochemical and...(elbaite-bearing). The melts parental to the pegmatite bodies were more voluminous, more alkaline, less...than is the norm for melts parental to LCT-type pegmatite. Differentiation of these melts sequentially produced
	Lottermoser, B. G., Lu, J. (1997) Petrogenesis of rare-element pegmatites in the Olary Block, South Australia, part 1. Mineralogy and chemical evolution. Mineralogy and Petrology, 59 (1) 1-19 doi:10.1007/bf01163059	Journal (article/letter/editorial)
	peraluminen, S-Typ Graniten in Verbindung. Die Pegmatite sind zoniert und besitzen einen inneren Quarzkern...fluid inclusion history and its implications for pegmatite emplacement and subsolidus history is given in...grade metamorphics with granitoids Investigated pegmatite 0 ~,~ 15 Kilometres Fig. 1. Simplified geological...of the Olary region showing investigated pegmatite occurrences (after Olliver and Steveson, 1984) generally...extensive volumes of granitoids and scattered occurrences of dolerite dykes. Mapping and U-Pb zircon dating
	*(2019) Golconda!. The Mineralogical Record* Vol. 50 (5) The Mineralogical Record, Inc.**	Journal (issue)
	with tourmaline, have sustained the Golconda pegmatite field’s reputation as among the most important...districts in all of Brazil. INTRODUCTION The Golconda Pegmatite Field is a familiar name to mineral collectors...for mica produced in Minas Gerais. A rich, new pegmatite deposit in the Brazilian Golconda area, best known...including the region now known as the Eastern Pegmatite Province. Just below the center can be seen the...of other pegmatite minerals. LOCATION AND ACCESS The Golconda District or Golconda Pegmatite Field, also
	*Modreski, Peter J. (2005) Colorado: Mineral collecting localities. Rocks & Minerals, 80 (5) 317-332 doi:10.3200/rmin.80.5.317-332*	Journal (article/letter/editorial)
	5. Harris Park 6. Devils Head 7. South Platte pegmatite district 8. Mount Antero 9. Ruby Mountain 10....15. Otero County barite occurrences 16. Royal Gorge (Eight Mile Park) pegmatite district 318 ROCKS &...MINERALS 17. Micanite-Guffey pegmatite district 18. Devils Hole pegmatite 19. Grape Creek cordierite-gahnite...Green Mountain kimberlite 23. Crystal Mountain pegmatite district 24. Genessee Park calc-silicate locality...amethyst locality 32. Elbert County petrified wood occurrences Downloaded by [Erciyes University] at 19:27
	Carranza, E. J. M., Woldai, T., Chikambwe, E. M. (2005) Application of Data-Driven Evidential Belief Functions to Prospectivity Mapping for Aquamarine-Bearing Pegmatites, Lundazi District, Zambia. Natural Resources Research, 14 (1) 47-63 doi:10.1007/s11053-005-4678-9	Journal (article/letter/editorial)
	certain evidences such as presence of quartz or schorl. Lundazi district, however, has remained underdeveloped...Aquamarine-Bearing Pegmatite Occurrences Figure 2. Location of study area. The widespread pegmatite occurrences in...contains mainly feldspar, muscovite, quartz, and schorl, but with rare gemstone minerals. Younger pegmatites...pegmatites are unzoned and consist of quartz, muscovite, schorl, and feldspar. Complex pegmatites are zoned with...different zones consisting of quartz, muscovite, schorl, beryl, feldspar, aquamarine, pink and green tourmaline
	de La Cruz Rodrigues, Erika Helena (2021) Tourmaline of the Kragerø pegmatites: The source of boron and its implication for the melt formation of Sveconorwegian pegmatites. Master thesis, Department of Geosciences and Natural History Museum, University of Oslo.	Thesis/Dissertation
	Idefjorden ‘Terrane’, respectively. The Lindvikskollen pegmatite area was the focus of field work and sampling...in the area. In the case of the Lindvikskollen pegmatite, which intruded a metagabbro body and its albitized...tourmaline and bulk rock chemistry indicates that the pegmatite was probably formed by mixed partial melting of...albitite host rocks. In addition, the nearby Tangen pegmatite intrudes the same metagabbro, and its overlapping...host rock tourmaline-bearing gneiss to be the pegmatite melt source. This thesis concludes that the source
	Duncan, R.J., Buick, I.S., Kobayashi, K., Wilde, A.R. (2014) Chemical and stable isotopic characteristics of syn-tectonic tourmaline from the Western fold belt, Mount Isa inlier, Queensland, Australia. Chemical Geology, 381. 131-143 doi:10.1016/j.chemgeo.2014.05.002	Journal (article/letter/editorial)
	boron isotopes; Mount Isa; metamorphism; orogeny; pegmatite Understanding hydrothermal fluid flow events...MANUSCRIPT orogeny. All the tourmaline samples have schorl-dravite solid solution compositions. Quartz 18...SC similar to Pb-Pb SHRIMP zircon dates for a pegmatite hosted by the high grade metamorphic rocks west...from NU a later (syn-D3a) tourmaline-bearing pegmatite (see below; 1565 ± 5 Ma; Connors and Page, 1995)...2002). In the WFB these ages represent the first pegmatite intrusive event during the Isan orogeny, termed
	Knoll, Tanja, Schuster, Ralf, Huet, Benjamin, Mali, Heinrich, Onuk, Peter, Horschinegg, Monika, Ertl, Andreas, Giester, Gerald (2018) Spodumene Pegmatites and Related Leucogranites from the AustroAlpine Unit (Eastern Alps, Central Europe): Field Relations, Petrography, Geochemistry, and Geochronology. The Canadian Mineralogist, 56 (4) 489-528 doi:10.3749/canmin.1700092	Journal (article/letter/editorial)
	Alps (Central Europe), about two dozen spodumene pegmatite bodies extend heterogeneously over the Austroalpine...from spodumene pegmatites belong to the elbaite–schorl series, with an unusual but significant dravite...concentration of rare metals. Keywords: spodumene pegmatite, leucogranite, Eastern Alps, geochemistry, Sm-Nd...demand has the implication that even small Li-pegmatite deposits might become economically viable (Kesler...About two dozen individual spodumene (LiAlSi2O6) pegmatite bodies extend heterogeneously across the Austroalpine
	*Peters, Joseph J. (1984) Classic Pegmatite Occurrences In:Delaware County, Pennsylvania. Rocks & Minerals, 59 (3) 109-119 doi:10.1080/00357529.1984.11764460*	Journal (article/letter/editorial)
	CLASSIC PEGMATITE OCCURRENCES IN Delaware County, Pennsylvania JOSEPH J . PETERS Department of Mineral...1984 109 Figure 2: Location map of selected pegmatite quarries in Delaware County, Pennsylvania, adapted...which this study is concerned occur in ". . . pegmatite veins of feldspar and quartz which traverse the...Cambro-Ordovician phyllitic rocks to the northwest. Pegmatite veins at the quarries are typically composed of...on published ac counts of the nature of the pegmatite veins and the miner als that crystallized within
	*(1996) World of Stones* 11. "Plus" Ltd. Publishing**	Journal (issue)
	Zlobin, V. E. Sonyushkin,and Yu. S. Tislov OCCURRENCES OF IRIDESCENT PLAGIOCLASE AT THE ANABAR SHIELD...SWEDEN 5 Cover 1. Hambeigite. Ranglad 'skoye pegmatite field, E. Pamirs. 8x 4 cm. Specimen:A.M. Skrigitil'... P. Maksimov 191revealed rare-metal mineral occurrences in alkaline pegmatites of the massif and stated...and most interesting pegmatites of the Rangkul' pegmatite field are distributed over the area of the Muzkol-Rangkul'...with gemstones are distinguished in the Rangkul' pegmatite field. The first type comprises miarolitic pegmatites
	*Chamberlain, Steven (2015) Forty-First Rochester Mineralogical Symposium: Contributed Papers in Specimen Mineralogy—Part 1. Rocks & Minerals, 90 (5) 444-449 doi:10.1080/00357529.2015.1034497*	Journal (article/letter/editorial)
	MINERALOGY OF AN EVOLVED DICKINSON COUNTY, MICHIGAN, PEGMATITE. T. W. Buchholz1, A. U. Falster 2, W. B. Simmons2...(1961) documented approximately ninety known pegmatite occurrences in central Dickinson County in the Upper...Upper Peninsula of Michigan. A small beryl-rich pegmatite was investigated to describe its mineralogy and...determine its degree of geochemical evolution. The pegmatite is emplaced in Lower Proterozoic metamorphic rocks...probable that the pegmatite is late- to post-Penokean in age. Local control for pegmatite emplacement appears
	*Seaman, David M. (1960) Pegmatite Minerals of the United States. Rocks & Minerals, 35 (1) 13-18 doi:10.1080/00357529.1960.11766548*	Journal (article/letter/editorial)
	PEGMATITE MINERALS OF THE UNITED STATES DAVID M. SEAMAN American Museum of Natural History, New York...The common, black, iron rich variety is known as schorl. The colored tourmalines or lithium tourmalines...found in all types of pegmatite from the common granite type to the lithium pegmatite. Many localities have...diameter have been noted in the School Section pegmatite of Fremont county, Colorado. ROCKS AND MINERALS...produced excellent gem tourmalines. The most noted occurrences in Maine are Mt. Mica at Paris, Mt. Apatite at
	Novák, M., Chládek, Š., Uher, P., Gadas, P. (2018) Complex magmatic and subsolidus compositional trends of columbite-tantalite in the beryl-columbite Šejby granitic pegmatite, Czech Republic: role of crystal-structural constraints and associated minerals. Journal of GEOsciences, 63 (3) 253-263	Journal (article/letter/editorial)
	columbite–tantalite in the beryl–columbite Šejby granitic pegmatite, Czech Republic: role of crystal-structural constraints...cz Corresponding author The simply zoned Šejby pegmatite of beryl–columbite subtype is enclosed in migmatitized...trends, Nb–Ta and Fe–Mn fractionation, granitic pegmatite Received: 22 February, 2018; accepted: 27 August...is long overdue. Simply zoned beryl–columbite pegmatite from Šejby near Nové Hrady, southern Bohemia,...Šejby beryl–columbite-subtype pegmatite. 2. Regional geology and pegmatite characterization Leucogranites
	*Behnke, Daniel (1987) Maine Articles Published inRocks and Minerals. Rocks & Minerals, 62 (6) 455-459 doi:10.1080/00357529.1987.11762705*	Journal (article/letter/editorial)
	not list them. Bryant, S. J . 1960. Fluorescing pegmatite in Maine. Rocks and Minerals 35:217-19. Unexplicably...County, Black Mountain is the site of several pegmatite collecting areas. Contains two maps and a brief...tained are described as well as occurrences of biotite, musco vite, schorl, indicolite, rubellite, lepidolite...and apatite, together with some less plentiful pegmatite species. Gedney, E . K., and Berman, H. 1929....and green beryl in pegmatite on Moody Mountain—a four-wheel drive locality. Pegmatite geology is described

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Schorl from Pegmatite occurrences, Bulgaria

Schorl from
Pegmatite occurrences, Bulgaria