 | | Journal (article/letter/editorial) |
| New Hampshire Mineral Locality Index Downloaded by [University of Newcastle, Australia] at 15:01 05...entrance and arch of the Palermo mine, North Groton, Grafton County. Rob Lawrence photo, courtesy Bob...Bob Whitmore. 242 ROCKS & MINERALS lthough New Hampshire, the Granite State, is one of our smaller states...reading Jackson (1844) on the mineralogy of New Hampshire that even at this early date there was already...activity produced new localities, renewed some old localities, and resulted in new minerals being discovered |
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| Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL..._______ _ Geology of the pegmatite districts of New Hampshire_ Rock units ________________________________...quality __ AnalyHis of the wartime mica industry of New England ________________________________________...Androscoggin County ______________________ _ Berry feldspar quarry __________________ _ Cumberland County ___...LaChance mines _______________________ _ Oxford County ____________________________ _ Barrett beryl prospect |
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| Cultured Abalone Blister Pearls from New Zealand Cheryl Y. Wentzell pg. 159 NOTES AND NEW TECHNIQUES 202...has commercial production of cultured abalone blister pearls been achieved. A feature article in this...assembled cultured blister pearls from one major producer, Empress Abalone Ltd., using New Zealand’s Haliotis...Jewelry courtesy of designer Ian Henderson, Dunedin, New Zealand. Photo © Harold & Erica Van Pelt––Photographers...Kingdom Thomas M. Moses New York, New York G. Robert Crowningshield New York, New York Mary L. Johnson |
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| information about education at SSEF, new client services, and new products. The SSEF Facette, born as...it The past year was very exciting in terms of new achievements at SSEF, has truly entered its twenties...Krzemnicki Director SSEF instrument provides us with new and substantial data for origin determination and...readers will find detailed explanations about this new method in a featured article in this SSEF Facette...emeralds ‘Sleeping Lion Pearl’ Purple Mozambique garnet New sapphires from Ambatondrazaka Oiled rubies GemTOF |
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| EDITORIAL FEATURE ARTICLES 60 Color in Gems: The New Technologies George R. Rossman 72 Scanning Electron...80 Emeralds of Colombia Peter C. Keller NOTES AND NEW TECHNIQUES REGULAR FEATURES 93 A Cubic Zirconia...rights reserved. ISSN 0016-62X COLOR IN GEMS: THE NEW TECHNOLOGIES By George R. Rossman Advances in technology...jade, synthetic turquoise, heat-treated beryl and zircon, irradiated spodumene, and topaz that has been...Included in the discussion are jade, turquoise, beryl, zircon, spodumene, and topaz, as well as a variety of |
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| and Heinrich Ries of Cornell University, Ithaca, New York. Respectfully submitted, C. S. Hunr,eur, Jx...Printing and stationery. Officesuppliesand equipment New securitiespurchased. Commission on securities Taxes...Taxes on securities Dividend adjustment on new stock 1950 program and abstracts.. Expenses of officers...4C $5,257. 50 4,300.00 Atlantic CoastLine, 4| New York Central,5.. SouthernRailway, 5 Great Northern...shares,United Fruit Co.. 5(i shares,StandardOil of New Jersey. . . . . 5(l shares,Chesapeake & Ohio Railway |
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| chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford...woods, etc. DAWSON COUNTY GOTHENBURG, in sand pitspetrified palm wood. DEUEL COUNTY CHAPPELL, all regional |
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| PauL C. LYons ARTHUR H. BROWNLOW £ Studies in New England Geology A Memoir in Honor of C. Wroe Wolfe...GEOLOGICAL OF AMERICA SOCIETY er x ne Studies in New England Geology Edited by Paut C. LYons ArTHUR H...students were introduced to the complexities of New England Geology. In 1974 Dr. Wolfe received the Neil...interest in the earth sciences. Wolfe is best known to New England geologists as an astute crystallographer...his expertise on the mineralogy of pegmatites of New England, and for his work on the geology of the Boston |
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| / Volume 34 / No. 2 COLUMNS p. 105 91 What’s New p. 109 GIA DiamondCheck | HRD Alpha Diamond Analyzer...Andradite from Arizona, USA | Bobdownsite | Orange lizardite | Large quartz from Arkansas, USA | Gold-included...spessartine inclusion | Tourmaline from the Cruzeiro Mine, Brazil | Natural diamond showing a ‘synthetic’...162 Gem-A Notices 170 Learning Opportunities 174 New Media 182 Literature of Interest i Gemmology...Edward Boehm, RareSource, Chattanooga, Tennessee, USA; Alan T. Collins, King’s College London; John L. |
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| collector Free ESTABLISHMENT, EAST * ROCHESTER 9, NEW INC. YORK $2 a Year , vi) Vol. Official Publication...periodicals; not because they are new discoveries but because new uses are being discovered for them...Still other metals not in general use are find ing new employment in the field of nuclear science for control...official organ, having sent in more than twenty-five new subscriptions since the convention in July. He is...the V-Lock,” in which he comes up with an entirely new method of mounting gem stones for the amateur lapidary |
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| cultured blister pearls Red andqreen labradorite feldspar Microstructure cultured blister pearls 'The·... Growth and perfection of crystals. John Wiley, New York Givargizov, E.I., 1986. Highly anisotropic crystals...4 O 7 system with and without impurities using a new LPE method. J. Crystal Growth, 231,186-93 Kishi,...zoning and composition of rubysapphire from Westland, New Zealand Rodney H. Grapes and Paul W. O. Hoskin Institut...fuchsite-margarite rock from the Southern Alps of New Zealand. The typically barrel-shaped ruby-sapphire |
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| 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |
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| 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |
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| Karen B. Stark, and Alien M. Bassett NOTES AND NEW TECHNIQUES 104 Gamma-Ray Spectroscopy to Measure...Patchick EDITORIAL REVIEW BOARD Robert Crowningshield New York, NY Alan T.Collins London, United Kingdom Dennis...Kollektion Geological Museum Beijing Golay Buchel USA Ltd. Incorporating Heller Hope Richard Goldberg Keith...lesserknown gems such as scapolite, spinel, and zircon. This overview describes the main gems and gem...fluids. During such geologic processesl not only are new minerals formed) but chromophores such as chromi~unand |
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| O’Donoghue AMSTERDAM • BOSTON • HEIDELBERG • LONDON NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO •...Corporate Drive, Suite 400, Burlington MA 01803, USA First published 1962 Second edition 1970 Third edition...Spinel Topaz Tourmaline The Garnets Feldspar Group Zircon Peridot 69 92 117 150 167 171 175 185 195 238...updated regularly in The Mineralogical Record and new issues seem to come out every four to five years...International Mineralogical Association, Commission on New Minerals and Mineral Names (CNMMN). Figures for dispersion |
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| some specimens from this deposit. pg. 389 NOTES & NEW TECHNIQUES 418 The Gemological Characteristics of...in ruby • Gilson cat’s-eye synthetic emerald • Zircon cluster in Ethiopian sapphire • Quarterly crystal:...Moses Wuyi Wang Nancy, France New York, New York New York, New York Jaroslav Hyršl Aaron Palke...Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2018 Gemological Institute of America All rights...Lab Notes offers analysis of three freshwater blister pearls attached to their host shells, De Beers’ |
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| GEMS & PRECIOUS STONES The new compact study guide and identifier Cally Hall rr frpioeapy e © ©...PRECIOUS STONES The new compact study guide and identifier GEMS & PRECIOUS STONES The new compact study...gemstones we need light, for it is the light As each new -technique is introduced, the and the way that it...is reflected and re¬ detective gemmologist has a new case to fracted that causes the colour of emerald...perpendicular to this plane and of different length. zircon scapolite Three of the four axes are in one plane |
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| Trader (Cave Creek, Arizona, USA); photo by Brad Payne. 1 What’s New Inspectrum Spectrometer | GIT...Photochromism and Photochromic Gems: A Review and Some New Data (Part 2) Photo by J. Štubňa Gem Notes Aquamarine...Inclusion in Ruby from China | Raman Spectroscopy of Zircon Inclusions in Unheated Pink Sapphires | Spessartine...Concentration | Art Nouveau Pendant with a Large Blister Pearl | A Convincing Glass Imitation of Emerald...courtesy of Thomas Hainschwang Gem-A Notices 93 New Media Learning Opportunities 97 Literature of |
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| Vincent Manson and Carol M. Stockton NOTES AND NEW TECHNIQUES 214 Artistryfin Rock Crystal: The Van...Hammid EDITORIAL REVIEW BOARD Robert Crowningshield New York, NY Pete Dunn Washington, DC Dennis Foltz Santa...and describes the wide range of methods used to mine th e corundum . Gemologically, the Th ai rubies...courtesy of Jack Abraham, Precious Gem Resources, Inc., New York, NY. visitors to the area, most notably Moreau...journey by steamer from Bangkok was required. The new highway has shortened the trip from Bangkok to Chanthaburi |
 | | Catalog/List |
| WONDERSTONE WULFENITE XENOTIME YAG YOUNGITE ZINCITE ZIRCON ZOISITE THULITE 9 GLOSSARY OF DISCREDITED NAMES...jasper ( Cuba) Nephrite from British Columbia Green zircon Agacizcd coral Drop pearl Moonstone ( Russia) Purple...malachite and azurite Ycllow-green tourmaline Colorless zircon Cameo/ Cat.-1/iu Caulinaite Cateye Catlinite Cat's...common opal Yellowish burned or buried jade Natural blister pearl Chicken bone jade Shell c:it's eye Jadeite...Green glass Py rope garnet Banded rhyolite from New Mexico I111 .'tt1t ion pe,,r/J Ell,111dr11 pe11rls |
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| SCIENCE 1 DIGEST CONTENTS Meetings and Conventions New Human Fossil Found in South African Cave Map Published...of Paleocene of Rocky Mountains and Plains THE BLISTER HYPOTHESIS AND GEOLOGICAL PROBLEMS GS We Wolfe...in August FOSSILS IN THE OLD RED DRIFT OF PIERCE COUNTY, WISCONSIN Theodore C. Vanasse Montana Coal Reserves...RESOURCES AND RADIOACTIVITY New Plastic Relief Map of Venezuela New Books Mexico’s New “Volcano” Has Several...12 12 13 16 17 18 19 21 22 23 23 Conventions New England Intercollegiate Geological Excursion. Oct |
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| Green fluorite (121.39 ct), Westmoreland, New Hampshire; blue fluorite (132.12 ct), Illinois; square...(25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...established by Dr. George F. Kunz, of Tiffany & Company, New York City, whose famous Gems and Precious Stones...taking place in older deposits and the discovery of new deposits in various places, especially in regard |
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| LTD. TORONTO: 1367 Danforth Avenue, 6 NEW BUTTERWORTH & CO. (NEW ZEALAND) WELLINGTON : 49/5i Ballance...to consult any notes in recommending him and his new book to the public. Indeed, were this foreword addressed...Chrysoberyl and Spinel 6 Topaz and Tourmaline 7 Zircon, Peridot and Spodumene 8 The Garnets 9 Moonstone...: : . 106 : : : e IN? » otis s 126 Zircon: Crystal and Cut Stones Peridot: Crystal and Cut...2 PREFACE For two decades, an earlier work of mine—Practical Gemmology—has proved a useful elementary |
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| 187 Peñas Blancas: An historic Colombian emerald mine R. Ringsrud and E. Boehm 251 Book review 254...(Beijing), Dr J.E. Shigley (Carlsbad), C.P. Smith (New York), E. Stern (London), E. Strack (Hamburg), Tay...Editor-in-Chief is glad to consider original articles shedding new light on subjects of gemmological interest for publication...whilst also introducing new sections that provide readers with announcements of new technological advancements...Colombian emerald mine Ron Ringsrud and Edward Boehm Abstract: The Peñas Blancas emerald mine is part of Colombia’s |
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| 2012 PAGES 79–156 Gemesis CVD synthetic diamond New sapphires from Sri Lanka Cultured pearls from Micronesia...strongest in the world. Every day, there are new millionaires and new businesses. Asians are very investment-conscious...Erica Emerson, Mark Newton, and Thomas M. Moses The new CVD-grown synthetics from Gemesis, which are comparable...Gemologist’s Perspective Elise A. Skalwold This new synthetic material is completely transparent, and...natural saltwater pearls • Large freshwater cultured blister pearl • Luminescent strontium-calcium aluminate |
Blister Mine, Alstead, Cheshire County, New Hampshire, USA