 | Ertl, A., Pertlik, F., Dyar, M. D., Prowatke, S., Hughes, J. M., Ludwig, T., Bernhardt, H.-J. (2004) Fe-Rich Olenite with Tetrahedrally Coordinated Fe3+ from Eibenstein, Austria: Structural, Chemical, and Mossbauer Data. The Canadian Mineralogist, 42 (4) 1057-1063 doi:10.2113/gscanmin.42.4.1057 | Journal (article/letter/editorial) | | TETRAHEDRALLY COORDINATED Fe3+ FROM EIBENSTEIN, AUSTRIA: STRUCTURAL, CHEMICAL, AND MÖSSBAUER DATA ANDREAS...Universität Wien, Althanstraße 14, A-1090 Wien, Austria M. DARBY DYAR Department of Geography and Geology...from a beryl-bearing granitic pegmatite near Eibenstein, Lower Austria, was chemically and structurally...refinement [a 15.938(1), c 7.136(1) Å, R3m] yielded an R value of ~0.022 for 3818 reflections. The observed...determined by SIMS analysis, is uncommonly low for an Al-rich, Mg-poor tourmaline (~0.1 apfu Mg). The O1 |  | 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) | | HUET Geological Survey of Austria, Neulinggasse 38, 1030 Vienna, Austria HEINRICH MALI AND PETER...Montanuniversität Leoben, Peter-Tunnerstraße 5, 8700 Leoben, Austria MONIKA HORSCHINEGG Department of Lithospheric...University of Vienna, Althanstraße 14, 1090 Vienna, Austria ANDREAS ERTL AND GERALD GIESTER Institut für...Vienna, Austria ABSTRACT In the Eastern Alps (Central Europe), about two dozen spodumene pegmatite bodies...spodumene pegmatites belong to the elbaite–schorl series, with an unusual but significant dravite component |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline igneous rocks where sodalite...ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed...2008, when extensive blasting for construction of an extension to High,, ay 5 revealed veins of massive...northwest of the first, he collected good specimens of schorl and of ilmenite, the latter as unaltered and partially |  | | Book | | Elizabeth Queen 5500 Egypt the part is anywhere an beryl deposits, of fine crystal Sinkankas has ...Poisons and Venomous Bites, Pregnancy, 127 Austria, Vision and Diseases of the Epilepsy, 124 Russia...Treatment for Cabochons, Australia, 363 331 Austria, Beryl Carvings, 332 Faceted Gems, and Gems...edge are which contains turquoise, The much an the National stones in their relation to mankind...but I hope that the material included presents an adequate portrait of a mineral whose history |  | | Book (volume) | | pans. Many other gem crystal species occur in pegmatite exposures, such as Aquamarine, Beryl, some Ruby-red...GRAYSVILLE, SE 1½ mi., in Knox dolomite exposed in an abandoned quarry Barite, Calcite, Fluorite (purple...shark teeth. CHATTOOGA COUNTY GORE, N 6 mi., along lower slopes of Taylor RidgeHalloysite. SUMMERVILLE:...areaAlmandite garnet; (g) harmony Church, area pegmatite outcropsBeryl; (h) Hickory Flat, 2 mi. NE on...mi. region surrounding this town contains many pegmatite dike minesMica minerals, Quartz crystals, Aquamarine |  | | Journal (article/letter/editorial) | | GEM-MINERALIZED AND “HYBRID” ANJANABONOINA GRANITIC PEGMATITE, CENTRAL MADAGASCAR: A RECORD OF MAGMATIC AND...Anjanabonoina rare-element-enriched granitic pegmatite dikes, located about 40 km southwest of Betafo...metamorphic grade. The subhorizontal bodies of pegmatite are strongly zoned and, in the mineralized area...pyrochlore. The primary minerals are typical of an NYF-type pegmatite, and contrast with the LCT-type mineralogy... granitic pegmatite, Anjanabonoina, central Madagascar. Sommaire Les filons de pegmatite granitique |  | | Journal (article/letter/editorial) | | Scandium-bearing minerals from the Heftetjern-pegmatite, Tørdal, south Norway Roy Kristiansen At the...in the world, with 8 different Scandium-minerals + an additional14 species with Sc-content > 0,5 % wt....nature, viz. thortveitite (Sc2Sb07), was marked by an International symposium on the Mineralogy and Geochemistry...described. In the last twenty years there has been an increasing interest world-wide in scandium minerals...application, like high-strength Sc-AI alloys. There is also an increasing number of publications on the mineralogy |  | | Journal (article/letter/editorial) | | Corresponding author Secondary blue tourmaline (schorl to Fe-rich fluor-elbaite to very rare Fe-rich fluor-liddicoatite)...Republic). Only garnet from the albite adjacent to an unit with Li-bearing minerals (Li-micas, Li-tourmalines)...whereas associated primary tourmaline (schorl to Mg-bearing schorl) remained unaltered. Textural relations...crystallization of primary tourmaline from the moment when pegmatite melt was sealed off the host rock. Negligible...concentrations of Mg in secondary tourmaline show that the pegmatite system was closed to the host rocks during the |  | | Book (volume) | | (lined with crystals); (b) Hamilton Quarry, the lower Warsaw section at the top of the quarry (see map)... This and adjoining Brown Co. have also produced an astonishing 30 Diamonds over the last century. These... of most of central and southern Indiana produce an abundance of these minerals.) COXVILLE, area coal...Marcasite, or Pyrite. WASHINGTON COUNTY PEKIN, W 1¼ mi., an abandoned quarry⎯Barite, Calcite, Selenite, Sphalerite...principally in Devonian limestone exposures which outcrop over much of Iowa, being most typical and best |  | | Book (volume) | | (lined with crystals); (b) Hamilton Quarry, the lower Warsaw section at the top of the quarry (see map)... This and adjoining Brown Co. have also produced an astonishing 30 Diamonds over the last century. These... of most of central and southern Indiana produce an abundance of these minerals.) COXVILLE, area coal...Marcasite, or Pyrite. WASHINGTON COUNTY PEKIN, W 1¼ mi., an abandoned quarry⎯Barite, Calcite, Selenite, Sphalerite...principally in Devonian limestone exposures which outcrop over much of Iowa, being most typical and best |  | | Report (issue) | | GEM- AND LITHIUM-BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA By RICHARD H.... GEM- AND LITHIUM-BEARING PEGMATITES OF THE PALA DISTRICT, SAN DIEGO COUNTY, CALIFORNIA! By Richard H....Principal types of pegmatite Graphic granite Other very coarse-grained pegmatite Pocket pegmatite Fine-grained...Origin of the pegmatites ECONOMIC FEATURES OF THE PEGMATITE MINERALS Lithium minerals Lepidolite Spodumene...parts of the Pala district and In pocket Map of northern part of the Pala district, showing distribution |  | | Journal (issue) | | for "Identifying Gem-Quality Synthetic Diamonds: An Update," and Robert E. Kane, for "Natural Rubies...American Pearl Creations. He i s widely recognized as an authority on natural and cultured pearls, and as...the mining regions of Brazil. Mr. Proctor received an M.S. in molecular biology from the University of...and identification techniques, and has appeared as an expert witness in several court cases. A native of...Most of this production has come from two major pegmatite regions: (1) the Araguai-Itinga and Araguai-Salinas |  | | Journal (article/letter/editorial) | | the Little Gem amethyst mine. It is an imposing pegmatite outcrop about 50 meters long, 20 meters wide...is an impressive eluvial debris field that extends for 100 meters downhill so that the pegmatite would... showing pegmatite exposure and mine workings, June 2016. Note mine portal at end of lower terrace (lower...(lower left corner), compressor on upper terrace (left center), and skid-steer loader and small excavator...hike for six months of the year. Figure 1 provides an overview of the mine. The area around the Little |  | | Journal (article/letter/editorial) | | Figure 1: View of the Crystal Mountain district, looking west. Crystal Mountain is in the center background...Minerals from the Pegmatites of the Crystal Mountain District LARIMER COUNTY, COLORADO MARK I. JACOBSON 1350...collected in the Crystal Mountain district. This is one of the few pegmatite districts in Colorado where nei...AND MINERALS minerals described. It is therefore an ideal area for amateur mineralogists wishing to make...make significant con tributions to pegmatite mineralogy and geology. One pur pose of this article is |  | | Journal (issue) | | Museum in Houghton, Michigan. In High School, Paul was an Eagle Scout at the Philmont Scout Ranch; he graduated...May–June, 2022 Paul Clifford (1942–2022). Having an intense interest in mineralogy, Paul took a position...Ohio, Museum of Natural History in 1975, and wrote an article about the museum’s collection for Rocks &...collection was donated in 2014, and they have created an endowment to be used for the further purchase of...measuring up to 20 cm, are largely transparent, with an attractive yellowish green color, bright luster, |  | | Journal (issue) | | member’s individual interests and therefore can serve as an aid in exchanging specimens through the mail; the...COLLECTING STORIES? Almost a year ago we published an item entitled: “Collecting stories: Los Lamentos...Houston Gem & Mineral Society plans to make this an annual event. NOTICES Married, Mary Lynn White, long-time...witnessed the description of 212 432 new minerals: an increase of 63 percent over the 272 described in...compilation to 17 in this period, perhaps reflecting an increased interest in the platinum-group minerals |  | | Journal (article/letter/editorial) | | Pegmatite Minerals Downloaded by [Texas A & M International University] at 18:50 05 September 2015 ...micromounter for more than thirty years, with pegmatite minerals being a special interest. Thomas Mortimer...however, the freshly bulldozed dump material provided an unexpected collecting opportunity. It was the discovery...micro-sized apatite to discoveries of childrenite and an occasional wardite microcrystal. Gradually we added...phosphate-blackened pegmatite walls and boulders. Little by little we came to find an even greater variety |  | | Book (volume) | | considering its age — this could almost be considered an updated version). This is by no means a complete...Minerals are capitalized while rocks have been left lower case. This is the 5th printing and each time updates...and E of the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T...a bed⎯dark yellow ocher. CLAY COUNTY AREA: c pegmatite outcrops in the mica schists, as large platy books...crystals; (e) Coosa and Tallapoosa R. drainage area pegmatite outcrops and numerous old mines⎯Muscovite mica |  | | Book (volume) | | considering its age — this could almost be considered an updated version). This is by no means a complete...Minerals are capitalized while rocks have been left lower case. This is the 5th printing and each time updates...and E of the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T...a bed⎯dark yellow ocher. CLAY COUNTY AREA: c pegmatite outcrops in the mica schists, as large platy books...crystals; (e) Coosa and Tallapoosa R. drainage area pegmatite outcrops and numerous old mines⎯Muscovite mica |  | Kontak, Daniel J., Dostal, Jaroslav, Kyser, T. Kurt, Archibald, Douglas A. (2002) A petrological, geochemical, isostopic and fluid-inclusion study of 370 Ma pegmatite-aplite sheets, Peggys Cove, Nova Scotia, Canada. The Canadian Mineralogist, 40 (5) 1249-1286 doi:10.2113/gscanmin.40.5.1249 | Journal (article/letter/editorial) | | ISOTOPIC AND FLUID-INCLUSION STUDY OF 370 Ma PEGMATITE–APLITE SHEETS, PEGGYS COVE, NOVA SCOTIA, CANADA...flat-lying, zoned, tourmaline-bearing aplite–pegmatite sheets cutting leucomonzogranite of the peraluminous...metasedimentary xenoliths. Muscovite extracted from aplite, pegmatite and quartz – muscovite – tourmaline pocket zones...indicated by undulose textures in quartz; hence, pegmatite formation occurred in a dynamic setting. Whole-rock...source-material. Fluid-inclusion studies indicate pegmatite crystallization from a melt that exsolved a moderately |  | | Journal (issue) | | CONTENTS Page Feature Articles: The Coolgardie pegmatite field, Western Australia Mark I. Jacobson ......bind it in with those issues. We wiU be producing an index every hvo volumes, so the next one will appear...economic mineral discoveries there in the 1840s. He was an avid collector, dealt in mineral specimens and published...information on the origin of gem minerals. Colour maps and an extensive reference list complement the descriptions...Mineralogy Vol 3, No 2, December 1997 %e Coo(gardie Pegmatite :fie[� 'Western .9Lustrafia Mark I. Jacobson Chevron |  | | Book (volume) | | director. As a scholar of mineralogy, he has been an indefatigable researcher and collector of mining...difficulty of obtaining the source material, which an inquiring reader would want to read, but also with...the facts presented here were not the figment of an active imagination. The great number of historical...authors' visiting the locations described. Mineralogy is an enjoyable branch of natural history which has taken...mind. The hours in the laboratory, at home or at an institution, challenged the intellect. The solitude |  | | Book (volume) | | ......................258 Missouri – New Lead District Map .........................................................325 New Jersey – Franklin Mining District Map ............................................Texas – Fluorite in the Terlingua Quicksilver District .................................455 Texas – Sulfur..............502 Vermont – Orange County Copper District Site Map ...................................503...considering its age — this could almost be considered an updated version). This is by no means a complete |  | | Book (volume) | | .......... 315 Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ........................particularly impressed by Loren Merrill's activities as an isolated lapidarist who did much to foster many of...lapidarists. Their pioneering effort did much to preserve an historical treasure which cannot be recovered today...will continue to be used in subsequent studies and an independent work, co-authored with them, is planned...first visit to the tourmaline-bearing granite pegmatite at Mount Mica in 1952 and Gene eventually completed |  | Novák, Milan, Cempírek, Jan, Gadas, Petr, Škoda, Radek, Vašinová Galiová, Michaela, Pezzotta, Federico, Groat, Lee A. (2015) Boralsilite and Li, Be-bearing "Boron Mullite" Al8B2Si2O19, Breakdown products of spodumene from the Manjaka pegmatite, Sahatany valley, Madagascar. The Canadian Mineralogist, 53 (2) 357-374 doi:10.3749/canmin.1400092 | Journal (article/letter/editorial) | | BREAKDOWN PRODUCTS OF SPODUMENE FROM THE MANJAKA PEGMATITE, SAHATANY VALLEY, MADAGASCAR MILAN NOVÁK§ Department...elbaite-subtype Manjaka granitic pegmatite, Sahatany Valley, Madagascar. The pegmatite mineral assemblage is relatively...B-rich phases). This pegmatite forms an E–W-trending elongated body emplaced in an Mg-rich calc-silicate...calc-silicate rock; the pegmatite exocontact locally contains thin reaction zones (Tur+Phl±Brl). Boralsilite assemblages...minor extent of exocontact reactions along the pegmatite, and secondary rhodochrosite, are responsible |
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Pegmatite outcrop, Raabs an der Thaya, Raabs an der Thaya, Waidhofen an der Thaya District, Lower Austria, Austria