 | | Journal (article/letter/editorial) | | Verein fĂźr Kärnten, Austria, download unter www.biologiezentrum.at Carinthia II 171./91.Jahrgang ...dem HĂźttenberger Erzberg; Dumortierit von St. Leonhard/Saualpe; faustgroĂe Albit- und Hornblende-xx von...Many new mineral occurences from various parts of Austria are described in this contribution, from which...first time in Carinthia, from the HĂźttenberger Erzberg; dumortierite from St. Leonhard/Saualpe; fist-sized...ilmenite, aragonite and - for the first time in Austria - g a h n i t e from the Lohning-Bruch near Rauris |  | | Journal (issue) | | H . Shearer . . . . . . 306 I M inerals and Mines of Springfield, N. H .. by John M. Ulrich . . ....Nevada, to visit and inspect the Tungsten and Dumortierite deposits found in that section of the state...visiting the Tungsten mine in Oreana Canyon and inspecting the rare Dumortierite deposi ts in Humbolt...y to the workings, of the Oreana canyon tungsten mine. Here the Nevada Massachusetts Company, which operate...Analytical Laboratory, at the Mackay School of Mines in Reno, for analysis and assay. Prof. Walter S |  | | Report (issue) | | 111 PAGE SILLIMANITE IN FOREIGN COUNTRIES Austria Bulgaria Finland France Germany 85 ⢠⢠⢠â˘...Cooper, U.S. Bureau of Mines, Washington, D.C., U.S.A.; Dr. J. Convey, Director of Mines and Technical Surveys...sillimanite alter to mullite and silica. Topaz and dumortierite also yield mullite on calcination, and they...affairs and the term kyanite includes andalusite, dumortierite, sillimanite, and other mullite-producing refractories...sillimanite minerals proper, include topaz, dumortierite, and 'pinite~. Topaz has a theoretical formula |  | | Journal (article/letter/editorial) | | Mineralizationin the RochesterDistrict, PershingCounty, Nevada PETER g. VIKRE Incorporated,Southwestern ExplorationDivision...northeastof Lovelock,Nevada (Fig. 1). Within the district preciousmetals valued at $7 concernedwith petrologyand...1986; posits prompted this study of the Rochester district. Couch and Carpenter, 1948; Johnson,1977). The...north-trending antiformcentered on the Rochester district(Fig. $). 41ø-.⢠z 581 SHIN Koipato Group...accompaniedby eruption of Weaver location of the Rochester district. rhyolitefrom linearandoblatevents.Melt remaining |  | | Journal (issue) | | T,;,urs, Richmond E. Myus Secretary-Treasurer, Peter Zodac Organized ir. 1928 for the increase and dissemination...identification card that secures the privileges of many mines, quarries, clubs, societies, museums, libraries...MONTHLY e e e e ' E dited and Published by PETER ZO DAC JANUARY 1938 CONTENTS FOR JANUARY, 1938.... . . . . . 15 MEMBERS!--ilP DRIVE IN 1938. By Peter Zodac . . . . . . . . . . . . . . . . . 16 TH E...under the Act of March 3, 1879. Copyright 1938 by Peter Zotiar Title registered in l,;. S. Patt-nt Office |  | | Journal (issue) | | shows in Tucson, Denver, Munich and Ste-Marie-aux-Mines Tel.: 949-494-5155 ⢠www.kristalle.com ⢠Email:...G. Rust (deceased) SENIOR FELLOWS Peter Bancroft (deceased) Peter L. Via Salim Edde Daniel Trinchillo...MayâJune, 2017 Contents The St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany...working in the lodeâ (Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany...The geographically tiny St. Andreasberg District of silver mines has an outsized reputation: it is among |  | | Report (volume) | | CLAYTON M. RUMSEY and AREL B. McMAHAN U.S. Bureau of Mines U.S. GEOLOGICAL SURVEY BULLETIN 1711 MINERAL RESOURCES...I19.3:1711-A 1. Mines and mineral resources California Indian Pass Wilderness. 2. Mines and mineral resources...the U.S. Geological Survey and the U.S. Bureau of Mines to conduct mineral surveys on certain areas to determine...and known mineralized areas 5 Mining history 5 Mines, prospects, and mineralized outcrops 5 Mineralized...Areas, Imperial County, California 11 TABLES 1. Mines, prospects, and mineralized outcrops in and adjacent |  | | Book | | Geheimnisvolle Welt: EinschlĂźsse im uarz Cl) u 0 _Q Magie World: Inclusions in Jaroslav Hyrsl...Niedermayr uartz Geheimnisvolle Welt: EinschlĂźsse im Quarz Magie World: lnclusions in Quartz Vorwort...... So stellen die ausgewählten Texte und Bilder im vorliegenden Buch nur eine kleine und begrenzte Auswahl...selber auf die Reise nach verborgenen EinschlĂźssen im Quarz zu gehen - um vielleicht dabei ein neues, ja... Jahrhunerts Wissenschaftler und Sammler mit den im Quartz-crystals may attain impressive dimensions |  | | Report (volume) | | Bibliography of Andalusite, Kyanite Sillimanite, Dumortierite Topaz, and Pyrophyllite in the United States...Bibliography of Andalusite, Kyanite Sillimanite, Dumortierite Topaz, and Pyrophyllite in the United States..._________________________________________________ Dumortierite- __-___--_____-_-_--_________--____-______________...BIBLIOGRAPHY OF ANDALUSITE, KYANITE SILLIMANITE, DUMORTIERITE, TOPAZ, AND PYROPHYLLITE IN THE UNITED STATES...crystallographic, physical, and optical properties; and dumortierite (8Al2O3-B2O3-6SiO2-H2O) and topaz ([Al(F,OH)] |  | | Journal (issue) | | et al. was said to have originated in the Wessel mine near Hotazel by Karuman, N. Cape Province, S. Africa...of Burma because the government has closed the mines and the small miners dare not sell any rough they...AN EXPERIMENTAL BREWSTER-ANGLE REFRACTOMETER By PETER G. READ, C.Eng., F.G.A. Over the last ten years...from Dr Gubelin on journeys which took him to gem mines in a great many places. Author brings Chas. Murray...individual mines include the Neuschwaben (green tourmalines), the Usakos Tourmaline mine (yellow-green |  | | Journal (issue) | | ROCKS and Edited and Published by PETER ZODAC MINERALS MARCH 1948 PUBLISHED MONTHLY Contents for...DINNER MEETING OF THE MI NERALOGICAL SOCIETY OF THE DISTRICT OF COLUMBIA. By Philip R. Cos111insky .. 21 6...under the Act of March 3, 1879 Cop)â˘right 1948 by Peter Zodac T itle re.1?i stered in U. S. Patent O ffic-e...MINERALS Edited and Published by PUBLISHED MONTHLY PETER ZODAC THE SKULL VALLEY AREA, UTAH i1ic f.) ur>o-...replaced by a volcanic by the Johnson Pass road (bad in winter). complex of mid-Tertiary age; and southDo |  | | Journal (issue) | | under the Act of March 3, 1879. Copyright 1936 by Peter Zodac. Title registered in U. S. Patent Office Specially...slab Rhodonite, 2x3... polished. 2 lbs. blue Dumortierite, unpolished. 3 pieces Polkadot A gate, polished... 4 ' r ⢠⢠â˘â˘ " SEMIPRECIOUS STONES By PETER ZODAC A Con1plete Guide Book for the l\lineral Collector... ROCKS an d MINERALS Edited¡ a nd Publi,bed by Peter Zodac J(l NE PUBLISHED MONTHLY The Official...Yice-President-Ronald L. Jyes. Secretary-Treasurer-Peter Zodac. Director of T ours-Richmond E. Myers. Director |  | | Book | | Publisher, Struik Nature. The reviewers were Dr Peter C. Keller, PhD, President, Bowers Museum, Santa...tsavorite, cut from rough found at the mine in 1 983. Scorpion mine, Tsavo National Park, Voi, Taita-TavetaCounty...Kimwarer mine. The country also exploits deposits of ilmenite, rutile and zircon from the Kwale mine. Gold...artisanal miners in central Rwanda. In Rusizi District, Western Province, gem-quality pink and green...basaltic host rocks near Cyangugu, also in Rusizi District (Krezemnicki et al., 1996). Rwanda's mineral wealth |  | | Book | | them. Garnets, for example, form in rocks called mica schists, which were once mudstones and clays. Marble...in some sedimentary rocks. snails Modern Diamond Mine in Botswana Some gems tones are so valuable that...offine-grained or Aquamarine massive gems like dumortierite. Obsidian Gold Nephrite a conchoidal Fracture...organized early mining - for example, abandoned mines and waste dumps - is found in the Urals of Russia...many thousands of years. The earliest back known mines date 2000 lu:. to Egypt, INTRODUCTION ⢠Ancient |  | | Journal (article/letter/editorial) | | âB-nephelineâ, boromuscovite, danburite, dravite, dumortierite, jeremejevite-OH, kotoite, magnesiodumortierite...and was formerly called ascharite. According to Peter (pers. commun., 1996) all three Mg-borates remain...accordance with its relatively low water contents dumortierite remains stable up to rather high temperatures...and 850-900°C the solid breakdown products of dumortierite are boron-free phases (kyanite and corundum)...phase. High-pressure experiments showed that dumortierite containing [BO,]-groups remains stable up to |  | | Catalog/List | | Manandonite,Povondraite,Apatite crystals.Prase, ~ Dumortierite , pure Graphite. Chrysoberyl crystals, Corundum...01')' vcinsin andon matrix.somcwith Fallowlicld mine, I x 1/, Il BaCâ CO'J Al 1oni1cmicros. ¡--_ H~am...QllmallaadSllalm hd U .50 BeAlSiO quanz B~IND-H.;.;..E;:,;IM.;;.,IT_E ____ ~Fairly-.rich~S::-mm=-:s:-;:izc::-...14 5110 c.usrrøm s.o c.usrrøm s.o caAD(JNl11: Mica.... e ausnn: s,90'4 5'J (SIWIDR C.AI/IID/4 ...Grcylibrousmasson dolomiticmarblc International mine, IxI .E4 PliSb S Kaladar,Ontario,Canada BREWSTDlITE |  | | Journal (issue) | | IRVINEBOWL highway M alachiteTsum eb s p e c im e n s s u b je c t to p rio r sale FOatESCAVETillB............................................. 81 Peter G. Embrey Curator of Minerals The British Museum...Geological Survey Uralolite from the Dunton Gem Mine, Newry, Maine: A Second O c c u rre n ce .........re s 14 x 14 x 12 cm . S m ith s o n ia n s p e c im e n # C 6 6 4 9 . Julius Weber Mamaroneck, New...length, collected in the Mindola open pit, Rokana mine, Zambia, by S. P. Korowski. The Mineralogical Record |  | | Report (volume) | | and temperatures estimated for formation of dumortierite, grandidierite, and kornerupine Chapter 9. Table...aha neem ene heme Pee nee er a en 118 ERDeMNCNIS iM BOLO) Dearing SYS(CINS cc 02 .cis sa. eccuk eee eseecaacnccnersenes...dnsccoeconaded-aodeorcsswce tseded haWetesens 682 PEiOlOSIC IM PHCALIONS <2 rs casscaweenssaswensxa ee ested oe...reviews of individual chapters: Timothy J. Barrett, Peter C. Burns, Donald M. Burt, Marc Chaussidon, Joseph... Leeman, ValĂŠrie Michaud, George B. Morgan VI, Peter I. Nabelek, Nikolai N. Pertsev, Michel Pichavant |  | | Journal (article/letter/editorial) | | the nanofibers in all samples are related to dumortierite. Selected-area electron diffraction (SAED) patterns...patterns and HRTEM images indicate that the dumortierite-related fibers have a superstructure with a...doubled periodicity along the a and b axes of dumortierite, giving cell parameters a = 2adum = 2.36 nm...that the dumortierite-related fibers have a composition similar to well-characterized dumortierite, but that...phase in rose quartz from a Montana locality is dumortierite based on their TEM and powder X-ray diffraction |  | | Journal (issue) | | Published by PUBLISHED MONTHLY FEBRUARY 1940 PETER ZODAC Contents for February, 1940 CHIPS FROM THE... 58 COLLECTORS' TALES (The tables turned ). By Peter Z odac .............. 59 MINERAL DAY AT THE WORLD'S...under the Act of March 3, 1879. <.:opyright 1939 by Peter Zodac T itle registered in U . S. Patent Office...spending several months in the Emmet Doherty and Peter Zodac, Presi- States, Allan Caplan has returned...:al ROCKS and MINERALS Edited ud Publubed b:, PETER ZODAC FEBRUARY 1940 PUBLISHED MONTHLY Vol. 15 | | | Report (volume) | | and temperatures estimated for formation of dumortierite, grandidierite, and kornerupine Chapter 9. Table...system AI2O3-B2O3-SĂO2-H2O "Boron-mullites" Dumortierite Alkali-free Al-tourmaline The system Mg0-Al...Borosilicates with Stoichiometric Trigonal Boron Dumortierite group Description Chemical composition Occurrence...reviews of individual chapters: Timothy J. Barrett, Peter C. Burns, Donald M. Burt, Marc Chaussidon, Joseph... Leeman, ValĂŠrie Michaud, George B. Morgan VI, Peter I. Nabelek, Nikolai N. Pertsev, Michel Pichavant |  | | Journal (issue) | | INDIANAPOLIS, INDIANA 46201 I ROCKS and MINERALS PETER ZODAC, Editor and Publisher OFFICIAL JOURNAL w...Jones, Jr. 432 438 THE SAND COLLECTORâConducted by Peter Zodac ....................... 442 CURRENT EVENTSâEdited...registered in U. S. Patent Ortice Copyright 1964 by Peter Zodac Specially written articles (as contributions)...SAPPHIRE mine will be open to Rockhounds. Write for information! Dungannon Sapphire Mines 3ox 192, R...SE. 50th St . Belkxue. Wadi. v>:a)iM. Oa. 2. 3. 1965âTopeka Gun & Mine al Society, Inc., 9th Annual Show |  | | Journal (article/letter/editorial) | | black tourmaline crystal was noted in the Luella mine near Avon, Latah county, Idaho, which measured 3x3x8...length. Other crystals have been noted at the Baer mine near Orange, New Hampshire, to 10 inches in diameter...tourmalines. The most noted occurrences in Maine are Mt. Mica at Paris, Mt. Apatite at Auburn, also from Hebron...Dakota; deep blue tourmalines at the Chickering mine near Walpole, New Hampshire; others from a few of...Delaware counties, Pennsylvania, and elsewhere. DUMORTIERITE is a basic aluminum borosilicate. It occurs |  | | Journal (article/letter/editorial) | | tourmaline cores. Sample locality: Minas Maria, Cananea District, Mexico. (c) Tourmaline ďŹbers as mats covering...ďŹuor-elbaite on elbaite. Sample locality: Pederneira Mine, Minas Gerais, Brazil. (d) Tourmaline ďŹbers as ďŹbrous...within the elbaite host. Sample locality: Cruzeiro Mine, Minas Gerais, Brazil. either as hair-like curved...Alpine orogeny. Fibrous tourmaline occurs with dumortierite in hydrothermally altered quartz latite welded...in dumortierite-poor veins cutting altered tuffââ (Foit et al. 1989). In addition to dumortierite, associated |  | | Book | | Written by Dr R. FR SYMES and Dr R.R. HARDING Dumortierite bottle Meta-tobernite Cut topaz Cut tourmaline...consists mainly of the rals quartz, feldspar, and mica. This specimen shows very large crystals of the...orthoclase, with small crystals of quartz and biotite mica. ECLOGITE The Earthâs upper mantle is probably...stalagmites grew upwards from the floor of an abandoned mine as water, rich in calcium carbonate, dripped down...collected from a famous silver mine area at Chanarcillo, Copiapo, Chile. The mines were extensively worked between |
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