 | | Book | | for within several months they asked me to render an opinion as to its suitability for translation and...neglecting the truly important European localities. As an amateur handbook, this one makes no pretense at being...method of indicating increasing quality by the use of an increasing number of exclamation points within parentheses...version are truly those intended in the original. As an outgrowth of this study a number of errors in the...renditions are all the more remarkable because he is an ardent amateur mineral collector and is therefore |  | | Report (issue) | | elbaite crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993...Alexander U. Falster and William B. Simmons • Dravite from Qarusulik, Ameralik Fjord in Southwestern.......... 54 Alfredo Petrov • Burmese Tourmaline - An Historical Perspective ........................ 58.... . ......... 68 Maximilian Glas • Pegmatites - An Overview .............70 William B. Simmons • From...19 sapphires, 26 spinels, 25 emeralds, 15 rubies, an aquamarine and 20 pearls. The large (39.5 x 36.5 |  | | Journal (article/letter/editorial) | | O(1)-site anion to three neighboring Y-site cations and an X-site cation, the charges at the X and Y sites affect...environments illustrates that for tourmaline with an average X-site charge exceeding +0.9, there is a...being less than 0.2 apfu for those tourmalines with an X-site charge of less than +0.5. Petrological factors...of chemical constituents, and they are stable over an extreme range of temperature, pressure and fluid...Henry & Dutrow 1996). A tourmaline also can serve as an effective monitor of the pressure – temperature – |  | | Journal (article/letter/editorial) | | high-Cr magnesian tourmalines, particularly in magnesite-talc altered ultramafic rocks, can represent a...TOURMALINE FROM SWAT, PAKISTAN ate schorl-dravite to dravite, whereas tourmaline developed in granitic...typically are accompanied by decreasing schorl and dravite components with a corresponding increase of elbaite...near the villages of Gujar Kili and Makhad, the magnesite-talc altered and quartz-veined rocks contain emerald...Indo-Pakistan and Asian plates (Gansser 1964, 1980). However, an intermediate zone of rocks constituting the Kohistan |  | | Journal (article/letter/editorial) | | deformation) are established. An increasing Cr content in tourmaline causes an increase of both lattice parameters...chromium-dravite. In 2012, Bosi et al. (2012) discovered a new mineral, oxy-chromium-dravite with ideal...3(OH)3O, which is closely related to chromium-dravite. By the time of the present research, crystal-structural...2012). This is the type locality for oxychromium-dravite. located in a series of serpentinites, dolomites...1983). This is the type locality for chromium-dravite. 2.7. Russia, Middle Urals Tourmalines containing |  | | Journal (article/letter/editorial) | | crystals, and interesting specimens of dolomite, magnesite, and ericaite. Geology of the Alto Chapare The...interesting minerals of the Alto Chapare occur in an unusual rock unit called the Locotal Breccia as well...potent brine springs in the rain forest attest that an evaporite must be present. The Locotal Breccia is...abundance) of a fine-grained mixture of dolomite, magnesite, gypsum, smectites (a family of clay minerals)...Alfredo Petrov photo. crystals of dolomite, magnesite, danburite, pyrite, hematite, and boracite (mostly |  | | Book | | Kochbuch, in dem 'alle' Kochgerichte und Leckereien der Welt zusammengefasst sind ... So stellen die ausgewählten...• 8 er U'arz ist eines der häufigsten e of the most frequent ineralien der Erdkruste und the crust of...Earth, h'er a, ichtige gesteinsbildende ere • orms an important Komponente in den meisten compo of igneous...ja spannendes Hobby dar. Das vorliegende Buch soll an imiere n, sich eser Materie eingehender zu beschäftigen...Jahrhundert im Quarz beobachteten Einschlüsse. Und einer der bedeutendsten amerikanischen Privatsammler um eben |  | Berryman, Eleanor J., Wunder, Bernd, Rhede, Dieter, Schettler, Georg, Franz, Gerhard, Heinrich, Wilhelm (2016) P–T–X controls on Ca and Na distribution between Mg–Al tourmaline and fluid. Contributions to Mineralogy and Petrology, 171 (4) doi:10.1007/s00410-016-1246-8 | Journal (article/letter/editorial) | | synthesized tourmalines are solid solutions of dravite [NaMg3Al6Si6O18(BO 3)3(OH)3(OH)], “oxy-uvite” (i...comprised a fluid of constant ionic strength (2.00 m) and an oxide mixture with a constant Mg/Al ratio. As a result...Tourmaline · Uvite · Oxy-uvite · Ca–Mg–O root name · Dravite · Tourmaline-fluid partitioning Introduction Fluids...apparatus, and all other experiments were performed in an end-loaded piston-cylinder press. The starting materials...SiO2 weighed in the atomic ratio of end-member dravite [NaMg3Al6Si6O18(BO3)3(OH)3(OH)] with 20 % excess |  | | Journal (article/letter/editorial) | | MINES AND MINERALS OF AUSTRIA By P H I L I P M O R R I L L East Derby, N . H., 0 3 0 4 1 ( P A R T III)...var Dravite; Maraeodite. Gloggnitz-Arfedsonite; Riebeckite; Mag nesite (radiated xls in magnesite). ROCKS...to enter is difficult to se cure. Mountain and mine can be seen to the S of the village. Siderite X...Serpentine; Hydromagnesite (crusts on serpentine); Magnesite; Magnetite Xis (cubic); Pyrcaurite; Aragonite;...Enstatite (Bronzite). Sommergraben, Kraubat. Magnesite; Talc; Pyrite; Amphibole; Dolomite; 2 291 292 |  | Bačík, Peter, Ertl, Andreas, Števko, Martin, Giester, Gerald, Sečkár, Peter (2015) ACICULAR ZONED TOURMALINE (MAGNESIO-FOITITE TO FOITITE) FROM A QUARTZ VEIN NEAR TISOVEC, SLOVAKIA: THE RELATIONSHIP BETWEEN CRYSTAL CHEMISTRY AND ACICULAR HABIT. The Canadian Mineralogist, 53 (2) 221-234 doi:10.3749/canmin.1400085 | Journal (article/letter/editorial) | | Naturhistorisches Museum, Burgring 7, 1010 Wien, Austria Institut für Mineralogie und Kristallographie,...Universität Wien, Althanstrasse 14, 1090 Wien, Austria MARTIN ŠTEVKO Comenius University in Bratislava...Universität Wien, Althanstrasse 14, 1090 Wien, Austria PETER SEČKÁR Comenius University in Bratislava...substitution is dominant in the transition from oxy-dravite to magnesio-foitite, and the Al◻(Fe,Mg)–1Na–1 substitution...most of the acicular to fibrous tourmalines, can be an important factor promoting preferential growth in |  | | Journal (issue) | | Arthur Roe Famous Mineral Localities: The Brumado District, Bahia, Brazil..................................in lo c al c u rre n c y to th e fo llo w in g : C an a d a : M rs. J.W P e at. 36 D e e p w o o d C re...was made possible by more than a hundred donors, an enthusiastic audience, the Tucson Show Committee...Clarence Maier officiated again this year, and did an admirable job of working with the huge audience,...available at the original retail price.) Despite an offer to buy copies of the Colorado Issue (vol.7 |  | | Journal (issue) | | presence or absence of a bead. Figure 2 provides an overview, illustrating sectioned cultured pearls...Figure 1: The pearl farm in North Bali, an aquacultural business with an ultra-modern approach to oyster production...host animals for the cultured pearls. Both halves of an oyster’s shell have a layer of soft skin. This tissue...purpose of growing a cultured pearl. The body of an oyster selected as a host animal has two sites where...for the operation site, hygienic surroundings and an instrument rack which is rinsed continuously characterizes |  | Barbosa, Carlos P., Falster, Alexander U., Simmons, William B., Webber, Karen L., Nizamoff, James, Gaines, Richard V. (2000) Minerals of the Brumado Magnestle Deposits, Serra das Éguas, Bahla, Brazil. Rocks & Minerals, 75 (1) 32-39 doi:10.1080/00357520009602572 | Journal (article/letter/editorial) | | Universitaria] at 23:45 29 December 2014 M!mrdb of the Magnesite Dep 32 Serra das Eguas, Ba ROCKS 6 MINERALS...famous magnesite deposit of Brumado (old name: Bom Jesus das Meiras) in the Serra das Eguas district, Brazil...Brazil, is one of the largest magnesite deposits in the world. The first recorded mining activity in the...mined for almost thirty years. The associated magnesite was recognized but subsequently forgotten (Bodenlos)...the magnesite Occurrences and set out to prospect for magnesite, aided by a sample of magnesite that |  | | Journal (issue) | | minerals at the Line Pit, State Line chromite district, Pennsylvania and Maryland ..................149...U.S. must be written in U.S. dollars and drawn on an American bank. foreign payments remittance may be...and reprinted those additions and corrections into an 8-page insert which is of the same page size as the...There have been some changes and this seems like an ap propriate time to bring everyone up to date....knowledgable in photo micrography, and is still an avid student of archeology and art. But his life’s |  | | Book (volume) | | trova anche alla Wansdorfer Hiitte (Krimmlertal, Austria), spesso associata a cuoio di monte. Johan nsenite...localita, a questo p roposito, si trova i n Ca rinzia (Alpe Sau) ; rocce vicine alle tipiche eclo giti sono...lontano da Vipiteno. Anche nelle pegmatiti di Spittal sulla Drava ( Carinzia) si hanno bei cristalli...mente Sondalo in Valtellina e la Valle di Ultimo (Alpe Seefelder) nell'Alto Adige. Anche l'ipersteno [...biancastra : famosi sono soprattutto i bei campioni dell' Alpe Cam polungo, nel Canton Ticino e di qualche dolo |  | | Journal (article/letter/editorial) | | muscovite is developed in magnesite–quartz veins hosted in ultramafic talc + magnesite ± hematite ± chromian...with an elevated Na content (0.436–0.452 apfu) and a Mg/(Fetot + Mg) value of 0.90, or dravite [Na 0...associated with chromian muscovite can be classified as dravite (0.669–0.936 apfu Na), with Mg/(Fetot + Mg) ranging...une valeur Mg/(Fetot + Mg) de 0.90, ou bien de dravite [Na 0.535–0.765 apfu, Mg/(Fetot + Mg) 0.87–0.88]...de 0.214 à 0.249 apfu, respectivement. Dans la dravite, les teneurs en Ni et en Cr vont de 0.077 à 0.102 |  | De Oliveira, Ester Figueiredo, Castañeda, Cristiane, Eeckhout, Sigrid Griet, Gilmar, Messias Menezes, Kwitko, Rogério Ribeiro, De Grave, Eddy, Botelho, Nilson Francisquini (2002) Infrared and Mössbauer study of Brazilian tourmalines from different geological environments. American Mineralogist, 87 (8) 1154-1163 doi:10.2138/am-2002-8-914 | Journal (article/letter/editorial) | | deposits are typically intermediate members of the dravite-schorl series, whereas the uvite and Fe-bearing...species are present in tourmaline samples from a magnesite deposit. Different behaviors are discussed in...main compositional varieties are Na- and Mg-rich dravite, Na- and Fe-rich schorl, Ca* E-mail: kiki@gold...were obtained from gold deposits and eight from magnesite deposits. These specimens were selected from several...velocity TABLE 1. Sample reformation Sample Location Mine Associations Magmatic environment Qtz, Spd, Lpd |  | | Journal (article/letter/editorial) | | Hintze, Min., 1954, Ergbd. 2, p. 12 (Ammoniumglimmer). An artificial product produced by the action of H20... like struvite with As in place of P. Presumably an artificial product. Avelinoite. M. L. Lindberg and...Doklady Acad. Sci. USSR, vol. 96, p. 613 (13e~oBnT). An apatite-like mineral from pegmatite, hexagonal, (Sr...Hydrous silicate of beryllium, B%SiOa(OH)2.H~O, as an alteration product of epididymite. [M.A. 12-569.]...minute pale-yellow orthorhombic plates from Montana. An alteration product of burbankite (q.v.). Named after |  | | Book | | characteristic forms, it is rather difficult even for an expert to classify them. For this reason typical...mirror (reflection ) plane. 2. The axis of symmetry is an imaginary line passing through the centre of the...tetrad and hexad axes according to the number of times an identical face is displayed during rotation through...crystal. The result is an assemblage of interlocking crystals in irregular clumps called an aggregate. In rock...display such typical striations that they may serve as an important clue for identification. Characteristic |  | | Report (issue) | | describes his recent visits to a small former fluorite mine 2.5 kilometers north of the village of Mihalkovo...border with Greece. Until its closure in 1994 this mine produced fluorite for industrial uses, and, it seems...possible. Shown here is one of the 30 specimens “from an older 1 =======================================...and sphalerite after calcite, from the Broken Hill mine, Aggeneys, Northern Cape Province, South Africa...epimorphs after calcite, 14.2 cm, from the Broken Hill mine, Aggeneys, Northern Cape Province, South Africa |  | | Book | | ROCKS AND MINERALS Michael O’Donoghue GALLERY BOOKS An Imprint of W. H. Smith Publishers Inc. 112 Madison...published in the United States 1990 by Gallery Books, an' imprint of W. H. Smith Publishers, Inc., 112 Madison...museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...the field is the natural glass obsidian. This forms an amorphous material since cooling is too quick for...heat and pressure are accompanied by gases preceding an intrusion the existing sedimentary rock may alter |  | Hughes, J. M., Rakovan, J., Ertl, A., Rossman, G. R., Baksheev, I., Bernhardt, H.-J. (2011) Dissymmetrization in tourmaline: the atomic arrangement of sectorally zoned triclinic Ni-bearing dravite. The Canadian Mineralogist, 49 (1) 29-40 doi:10.3749/canmin.49.1.29 | Journal (article/letter/editorial) | | ARRANGEMENT OF SECTORALLY ZONED TRICLINIC Ni-BEARING DRAVITE John M. HUGHES§ Department of Geology, The University...Universität Wien, Althanstrasse 14, A–1090 Vienna, Austria George R. ROSSMAN Division of Geological and Planetary...optically anomalous tourmaline are common, and recently an occurrence of triclinic tourmaline was reported with...We report the atomic arrangement of Ni-bearing dravite from the Berezovskoe gold deposit, Middle Urals...sites. The atomic arrangement of this triclinic dravite demonstrates that the atomic arrangement of tourmaline |  | | Journal (issue) | | bicolored tounnaline (12.90 ct), all from the Himalaya mine (California). Thestones were faceted by PalaInteri~ntional...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 |  | | Journal (article/letter/editorial) | | geological conditions that shaped the region, resulting in an equally wide range of mineral-forming environments...the crystal chemistry of aluminum-rich, chromium-dravite in the northwest Adirondacks. The tourmaline was...talc–tremolite–cummingtonite schist in the American #1 talc mine in Balmat, St. Lawrence County, New York. The tourmalines...Atomic Arrangement of Cr-rich Tourmaline from the #1 Mine, Balmat, St. Lawrence County, New York, USA by Steven...Robinson, David Bailey, and Jared Singer The Kilmar Magnesite Deposits: Evaporitic Metasediments in the Grenville |  | | Journal (article/letter/editorial) | | northwestern Pakistan, occurring in talc-magnesite and quartz-magnesite assemblages, have been investigated...(1SO-enriched) hydrothermal solutions derived from an S-type granitic magma. The variation in the carbon...carbon and oxygen isotopic composition of magnesite, locally associated with emerald mineralization, is also...MMTMG is not clear. Maluski and Matte (1984) obtained an 4°Ar/39Ar age of 83.5 _+ 2 Ma on phengite in a blueschist...Textural relations (i.e. thin microscopic veins of magnesite cutting across matrix serpentine) suggest that |
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