 | | Journal (issue) | | The Current Market Scene For The Jewelry Maker A New Bola Tie Design Jeweled Pen Caps The Art Of Sand... Add pottage and Insurance. Add Salā¢ā¢ Tax In California. Open Monday through Friday, 9 a.m. - 5 p.m...CARVING MICROMITE Diamond Carving Points AND NOW ... NEW FROM LAPCRAFT t For Dressing and Truing . . . MICROMITE...scintillating colors of Australian opal come to us through the courtesy of the Opal Spectrum company. For details...Our Cover feature. And, for a fascinating look at opal mining , plus more pictures, turn to page 8. AND |  | | Journal (issue) | | professional quality for lapidary craftsmen & hobbyists NEW! The Viscount Inter-Lok A premium blade, engineered...DIVISION FEDERAL-MOGUL CORPORATION LENT AVENUEā¢ LeROY, NEW YORK 144B2 Telephone AC 716 967-B10B Made under U...Rees (NFMS) 806 El Monte Twin Falls. 10 83301 CALIFORNIA FEDERATION OF MINERALOGICAL SOCIETIES Publisher...Matson Or., San Jose. CA 95124 William E. Tirk , First Vice-President 3944 Aragon Dr., San Diego, CA 92115...Porter, Treasurer P.O. Box 96, Burbank, CA 91503 Opal Enthusiasts Hold First Seminar ................ |  | | Journal (issue) | | excellence in the trade. Sign up now and receive our NEW fully illustrated Diamond Diploma course notes ā...Volume 34 / No. 4 COLUMNS p. 35 279 Whatās New GemmoFtir|GSJ abstracts| Historical facet designs|ICGL...kyanite from Tanzania|Green daylight-fluorescent opal from Mexico|āTrapicheā quartz with radiating fibres|Yellow...amazonite|News from Myanmar Cover Photo: An 11.38 ct diamond with an asteriated hydrogen cloud is photographed...ARTICLES Feature Articles 306 The Rhodesian Star: An Exceptional Asteriated Diamond By Thomas Hainschwang |  | | Journal (issue) | | Clarity Grading . . . āChocolate Pearlsā. . . Leopard Opal . . . Rainbow Andradite from Japan THE QUARTERLY...identifying these products. 236 Leopard Opal: Play-of-Color Opal in Vesicular Basalt from ZimapĆ”n, Hidalgo...beryl from Namibia ā¢ Diopside from Afghanistan ā¢ California jadeite with copper inclusions ā¢ Labradorite...Myanmar ā¢ Moonstone from Madagascar ā¢ Phenomenal fire opal ā¢ āSunsetā quartz from Brazil ā¢ Swedish Blue (slag)...Pasadena, California Alan T. Collins London, United Kingdom Mary L. Johnson San Diego, California Kenneth |  | | Journal (issue) | | parameters online with GIA FacetwareĀ® Cut Estimator. NEW YORK 10:00 A M GIA Master Color Comparison Diamonds...dayās production begins. Staff gemologist submits new ļ¬ndings on coated diamonds to GIA global database...log on to www.retailer.gia.edu CARLSBAD DUBAI NEW YORK MOSCOW LONDON MUMBAI ANTWERP BANGKOK FLORENCE...George Maltezos, Axel Scherer, and James Shigley A new process of plasma-etching diffraction grating patterns...appearance. NOTES & NEW TECHNIQUES ___________ pg. 267 271 Chrysoprase and Prase Opal from Haneti, Central |  | | Journal (issue) | | Paz Bay, South Baja California Micheline Cariiio and Mario Monteforte NOTES AND NEW TECHNIQUES p. 90 :...:. <-- 106 An Update on the Ural Emerald Mines A. F. Laskovenl~ovand V . I. Zhernakov 114 A Visual...The calm waters of La Paz Bay, in the Gulf of California, haveproduced some of the finest pearls from...at future prospects for pear1 culturing in this area. The loose Baja Californiapearls (largest about...Production Artist Carol Silver G. Robert Crowningsl~ield New York, NY Alan T.Collins London, United Kingdom C |  | | Book | | Thessaloniki Bahrain Greece Ian Graham The University of New South Wales Australia Editorial Ofļ¬ce MDPI St. Alban-Anlage...in Adamello Massif, Central Southern Alps, Italy: An Investigation of Its Mineralogy, Crystallography...ovite Rocks within Meta-Ultramaļ¬tes of Ilmen Mountains, South Urals of Russia: Evidence from Mineralogy...A Review of the Classiļ¬cation of Opal with Reference to Recent New Localities Reprinted from: Minerals...refereed journals, is the co-author of 4 IMA-approved new mineral species, and has co-authored three books |  | | Book (edition) | | Publications CHAPMAN & HALL London ā¢ Glasgow ā¢ New York ā¢ Tokyo ā¢ Melbourne ā¢ Madras Published by...2NZ, UK Chapman & Hall Inc.. 29 Wesl 351h S1ree1. New York NY llXl0I. US;\ Chapman & Hall Japan. Thomson...publica1ions) 'Third edi1ion'-Forcword. Rev. ed. of: An index of mim:ral species & varie1ics arranged chemically/...of Minemls was published and it soon proved to be an important and standard reference work for mineralogists...of Dr Andrew Clark. we arc able to welcome this new and expanded version. Like Dr Hey's. it is much more |  | | Report (issue) | | 13th 1977 Nonnan. Oklahoma 14th 1978 Albany. New York 15th 1979 Golden, Colorado 16th 1980 St...St. Louis, Missouri 17th 198 1 Albuque rque, New Mex ico 18th 1982 Bloomington, Indiana 19th ...in humans James M. Barker and Christopher McKee, New Mexico Bureau of Mines and Mineral Resources ......at the New Mexico Bureau of Mines and Mineral Resources, Socorro, New Mexico James M. Barker, New Mexico...consisted of technical sessions, a local field trip. and an optional three-day trip. All of the papers presented |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Danaās New| Mineralogy | Eighth Edition Richard V. Gaines H. Catherine W. Skinner Eugene E. Foord Brian...Mason Abraham Rosenzweig i DANAāS NEW MINERALOGY DANAāS NEW MINERALOGY The System of Mineralogy...ROCHESTER, NEW YORK And with Illustrations by ERIC DOWTY SHAPE SOFTWARE JOHN WILEY & SONS, INC. NEW YORK...Department, John Wiley & Sons, Inc., 605 Third Avenue, New York, NY 10158-0012. This publication is designed...ation Data Dana, James Dwight, 1813-1895 Danaās new mineralogy: the System of mineralogy of James Dwight |  | | Journal (article/letter/editorial) | | PrePub Article 2 Near infrared signature of opal and chalcedony as a proxy for their structure and...RONDEAU and NICOLAS MANGOLD 1 4 Abstract: Opal-A, opal-CT and chalcedony develop in various geological...emphasizes that several new spectroscopic criteria distinguish opal-A, opal-CT and chalcedony: the apparent...absorption at 5200 cm1, the area of the absorption of silanol groups as well as the area ratio of the 5200 and...shape of the molecular-water band, quantiļ¬ed by a new criterion developed here (concavity-ratio criterion |  | Swayze, G. A., Clark, R. N., Goetz, A. F. H., Livo, K. E., Breit, G. N., Kruse, F. A., Sutley, S. J., Snee, L. W., Lowers, H. A., Post, J. L., Stoffregen, R. E., Ashley, R. P. (2014) Mapping Advanced Argillic Alteration at Cuprite, Nevada, Using Imaging Spectroscopy. Economic Geology, 109 (5) 1179-1221 doi:10.2113/econgeo.109.5.1179 | Journal (article/letter/editorial) | | School, Monterey, California 93943 4 740 5 AWK 6 Zion St., Nevada City, California 95959 Consulting...Geological Survey, 345 Middlefield Rd., Menlo Park, California 94025 Abstract Mineral maps based on Airborne...hydrothermal alteration. Partial lichen cover on opal spectrally mimics chalcedony, limiting its detection...Kerr et al., 2011). Spectroscopy is also playing an increasing role in analyses of alteration in drill...near-infrared (VIS-NIR or VNIR-SWIR) 0.4- to 2.5-Ī¼m range is an effective tool for evaluating subtle patterns of |  | | Book | | Danilo Bersani Peter Vandenabeele Gems and Gemmology An Introduction for Archaeologists, Art-Historians and...Bersani ā¢ Peter Vandenabeele Gems and Gemmology An Introduction for Archaeologists, Art-Historians and...completed her FGA Diploma in 1998. In 2005, she moved to New York to head the AGTA Gemmological Testing Center...gemmological conferences in Switzerland and the USA. She is also on the editorial review board of Gems...authored the handbook Practical Raman Spectroscopy: An Introduction and coedited several other books. He |  | | Journal (volume) | | of the Carpathian region with type localities of new mineral species, rocks, fossil resins and hydrocarbons...hydrocarbons discovered in (first described from) the area, including both valid and discredited species. See...Natural History Museum, entitled āThere is something new under the earthā, organised on the occasion of IMA2010...(Croatia) (Hungary) (Slovakia) (Greece) (Hungary) (USA) (Hungary) (Egypt) (Austria) (Romania) (Hungary)...(Hungary) (Hungary) (Hungary) (Croatia) (UK) (Slovakia) (USA) (Austria) (Romania) (Slovakia) (China) (Germany) |  | | Journal (issue) | | sillimanite from India ā¢ Sphene from Pakistan ā¢ New spinel from Mahenge, Tanzania ā¢ Cuneiform aquamarine...inclusions in quartz ā¢ āPlatinum quartzā with star ā¢ New Madagascar mining laws ā¢ Black diamond with unusual...doublet ā¢ A rutilated quartz doublet ā¢ An unusual triplet ā¢ New CRJP Code of Practices ā¢ Update on the...Janse Perth, Australia George Rossman Pasadena, California Alan T. Collins London, United Kingdom Alan...Robert Crowningshield New York, New York Mary L. Johnson Carlsbad, California James E. Shigley Carlsbad |  | | Report (issue) | | Progress in primary six-inch survey was maintained; the area covered, 347 square miles, was practically the same...exception, the area covered was also greater than in any other year since the war. The total area, about equally...there may be an interval of more than Ā·thirty years before it is possible to undertake an effective revision...the M esozoic and sub-Mesozoic rocks, beneath an area of low gravity anomaly revealed by geophysical...essential to collect all the information upon which an assessment can be made of reserves for current and |  | | Book (edition) | | GIBNTBIRAIE CHEOLOGY Fourth Edition Robert J. Foster San Jose State University CHARLES Ā£. MERRILL Columbus...chapters have also been revised, and some have new ti- tles. The environmental aspects of river erosion...revised and slightly expanded. A new chapter on plate tectonics contains much new material. The continental...geology chapters were read by Raymond Sullivan, San Francisco State University, and James W. Trow, Michigan...heeding their comments. CONTENTS 1 PLANET 3ā AN OVERVIEW Why Study the Earth? Scope of Geology 3 |  | | Book | | of the Reed Elsevier plc group BOSTON MELBOURNE NEW JOHANNESBURG DELHI SINGAPORE First published 1997...natural gemstones Diamond Corundum Spinel Beryl Quartz Opal Alexandrite Topaz 7 Diamond Non-crystalline materials...interesting and unusual examples from the literature 11 Opal Summary Reports of interesting and unusual examples...While working in the sapphire fields of Montana, USA, in 1992 I found many crystals with a pale green...jewellery, being routinely sold as heated stones in the USA. A common thread links the three pictures. In all |  | Ehlert, Claudia, Grasse, Patricia, Mollier-Vogel, Elfi, Bƶschen, Tebke, Franz, Jasmin, de Souza, Gregory F., Reynolds, Ben C., Stramma, Lothar, Frank, Martin (2012) Factors controlling the silicon isotope distribution in waters and surface sediments of the Peruvian coastal upwelling. Geochimica et Cosmochimica Acta, 99. 128-145 doi:10.1016/j.gca.2012.09.038 | Journal (article/letter/editorial) | | Atmospheric and Oceanic Sciences, Princeton University, USA. 0016-7037/$ - see front matter Ć 2012 Elsevier Ltd...chlorophyll a and silicic acid (Si(OH)4) in that area, Fig. 2). The amount of primary productivity oļ¬...gov/giovanni/ overview/index.html). The bracket marks the area of the strongest upwelling between 5Ā°S to 15Ā°S....the water samples using a bruciteācoprecipitation method (following Reynolds et al. (2006), after Karl and...additional precipitation steps applying the same method (see also Reynolds et al., 2006) to ensure that |  | | Book | | Truran, Jr. and A. Heger University of Chicago, IL, USA 1.01.1 INTRODUCTION 1.01.2 ABUNDANCES AND NUCLEOSYNTHESIS...heavyelement-enriched matter to the interstellar gas from which new stars are formed. The mass fraction of our solar...oxygen, and silicon burning to proceed. Collapse of an iron core devoid of further nuclear energy then gives...binary systems, mass transfer can take place from an evolving companion onto a compact object. This naturally...Wallerstein et al. (1997), and Woosley et al. (2002). An overview of galactic chemical evolution is presented |  | Hopf, J., Eskelsen, J.R., Chiu, M., Ievlev, A.V., Ovchinnikova, O.S., Leonard, D., Pierce, E.M. (2018) Toward an understanding of surface layer formation, growth, and transformation at the glassāfluid interface. Geochimica et Cosmochimica Acta, 229. 65-84 doi:10.1016/j.gca.2018.01.035 | Journal (article/letter/editorial) | | Accepted Manuscript Toward an Understanding of Surface Layer Formation, Growth, and Transformation at...Ovchinnikova, O.S., Leonard, D., Pierce, E.M., Toward an Understanding of Surface Layer Formation, Growth...org/10.1016/j.gca.2018.01.035 This is a PDF file of an unedited manuscript that has been accepted for publication...disclaimers that apply to the journal pertain. TOWARD AN UNDERSTANDING OF SURFACE LAYER FORMATION, GROWTH...Laboratory (USA); 2 Center for Nanophase Material Sciences, Oak Ridge National Laboratory (USA); 3 Material |  | | Book | | Geological SurĀ¬ vey) in order to edit many terms old and new. Any USGS geologist so fortunate as to have had a...edition are in print. Because of the multiplication of new terms in geology and the frustrations of having to...was recognized early in the 1960s that a wholly new Glossary would be needed before long. MoreĀ¬ over...the proper (1920). And Holmes was quoting in turn an earlier geological application of the quotation from...have been achieved in the publiĀ¬ cation of this new edition of the Glossary. The definitions recorded |  | | Book | | Elizabeth Humphris Spencer THOMAS Y. CROWELL COMPANY, NEW YORK, ESTABLISHED 1834 Copyright All Rights ';...with a curiosity about the earth on which he lives, an open mind, and a willingness to learn. It is hoped...courses used by geologists, their limitations, and an and Historical Geology. The two volumes complement...are developed fully in order to give the student an appreciation for the thoroughness characteristic...6. physical histor\ continuing map of new fea- An introductory n| is and section about the profession |  | | Book (edition) | | PEARSON ---Ā Prentic(ā¢ Hall Upper Saddle River, New Jersey 07458 Lib r ary of Co ngr e ss Cataloging-in-Publication...through a variety of research avĀ enues and by using an array of increasingly sophisticated research tools...and new ideas. In fact, it is becoming increasingly difficult to keep abreast of the flood of new information...well-known sedimenĀ tology journal reveals important new papers on sedimentation and tectonics, deĀ positional...Stratigraphy, fully evaluated all of these new data or captured all of the new ideas and concepts that may have |  | | Book (volume) | | MEMBERS Cambridge, England: at the University Press New York, 35 West 32nd Street 1911 Copyright, in the...Board of Canada. Papineau. Author of The Cradle of New France; &c. Joint-editor of Documents relating to...of a Owen, Sir Richard; l Palaeospondylus. . r New College, Oxford. Newdigate Prize, 1888. Author of...Assistant Professor of History in Columbia University, New York City. the American Historical Association. C...publications of the Palaeographical Society, the New Palaeographical Society, and of the Facsimile of |
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New Method Mine, Amboy area, Bristol Mountains, San Bernardino County, California, USA