 | | Report (issue) |
| Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL..._ Mica mining ______________________________ _ Feldspar mining ___________________________ _ Mining methods..._______ _ Geology of the pegmatite districts of New Hampshire_ Rock units ________________________________...quality __ AnalyHis of the wartime mica industry of New England ________________________________________..._____ _ Feldspar deposits __________________________________ _ Kinds and grades of feldspar _____________________ |
 | | Journal (article/letter/editorial) |
| 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 |
 | | Journal (issue) |
| / 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. |
 | | Book (edition) |
| 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...Chrysoberyl Spinel Topaz Tourmaline The Garnets Feldspar Group Zircon Peridot 69 92 117 150 167 171 175 185...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 |
 | | Book |
| 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...window 8 Topaz 3 Copper coin 6 Orthoclase feldspar 9 Corundum 4 Fluorite 6.5 Steel file 10 |
 | | Book (volume) |
| species. And for those interested in discovering new deposits, the geology and mineralogy of sources is...Iwo Volumes Volume | JOHN SINKANKAS [aN] VAN New NOSTRAND York Cincinnati REINHOLD Toronto COMPANY...Educational Publishing, Inc. 450 West 33rd Street, New York, NY 10001 Van Nostrand Reinhold Limited 1410...eg Ow a Ne Sarah PREFACE TO THE NEW EDITION The quantity of new information accumulated since publication...such new information in a second volume. [hus the present book becomes V olume I. while the new information |
 | | Journal (issue) |
| alphabetical order. MINERALS ALLANITE (EPIDOTE GROUP) / @ Amherst County - Black pitchy allanite is found in...used because of their radioactivity. Campbell County - Andalusitecrystals,somevery large,have been reported...attractive cabochons can be cut. BERYL Amelia County - Clear gem quality beryl fragments measuring 0...di~nensionhave been found at the Abner Pinchbeck mine 0.5 miles east of Amelia (Dietrich, 1970). Small...Powhutcan County - Clear beryl crystals (goshenite) occur at the Herbb # 2 pegmatite mine north of Flat |
 | | Journal (issue) |
| Mr Dave Ferris, 6 Middleton Road, Ringwood, Hampshire, BH241RN. Typography and Design by: Jim Robinson...St. Ives Graphic Media, (A division of St. Ives Group), Leeds, England. Published by The Russell Society...Tim Neall Mud-filled fluorite vugs in Greenlaws mine, Weardale, Co. Durham Stephen Moreton Gearksutite...lding and Andy G. Tindle Cotunnite from Penrhyn Du Mine, Gwynedd, Wales Neil Hubbard and David I. Green...An update of the supergene mineralogy of Hilton mine, Scordale, Cumbria Trevor F Bridges and David I |
 | | Book (edition) |
| of Great Britain; and A. Espositer, lapidary of New York City. George H. Marcher, CG, lapidary and authority...Although the reader may find no information that is new to him under the second definition, even advanced... A colored pearl from the abalone. Usually a blister pearl pearl is found although a occasionally...(ad’-u-lar-es’-sence). An optical phenomenon applied to feldspar (usually, orthoclase moonstone, or adularia) that...reflection from parallel intergrowths of albite feldspar, which has a slightly different refractive index |
 | | Journal (issue) |
| GEMOLOGICAL INSTITUTE OF AMERICA Canada’s Diavik Mine Fabergé Imperial Bodyguards Responsible Sourcing...of Colored Stones Journey to the Chivor Emerald Mine Summer 2016 VOLUME 52, No. 2 EDITORIAL 103 Responsible...Mining Diamonds in the Canadian Arctic: The Diavik Mine James E. Shigley, Russell Shor, Pedro Padua, Christopher...doing to address the situation. pg. 133 NOTES AND NEW TECHNIQUES 162 The Challenges of Cutting a Large...Rainier’s Footsteps: Journey to the Chivor Emerald Mine Robert Weldon, Jose Guillermo Ortiz, and Terri Ottaway |
 | | Journal (issue) |
| in a Silurian lagoon about 400 m.y. ago; Welland County. (Courtesy Shell Canada Ltd.). right: left: —... 12 12 12 14 14 15 Feldspar Group Orthoclase 15 Plagioclase 16 Mica Group 17 17 Muscovite Phlogopite...19 Biotite Amphibole Group Hornblende Actinolite Tremolite Pyroxene Group Augite Hypersthene Diopside...Diopside Olivine Nepheline Garnet Group Garnet Staurolite Zircon Sphene Titanite Secondary Minerals...Alteration Clay Group Kaolin Serpentine Group , Serpentine Chlorite Group Chlorite Epidote Group Epidote Scapolite |
 | | Journal (issue) |
| January 2000 ISSN: 1355-4565 Characterization of a group of experimental Russian hydrothermal synthetic sapphires...Tairus Co., Novosibirsk, Russia, 71 belonged to the group of commercially produced colours, which contain...Peretti, 1999). In the absorption spectra of this group of 71 samples, no bands attributable to Fe3+ were...reddish-violet in incandescent light. Two samples of the group © Gemmological Association and Gem Testing Laboratory...30 J 25 Wavelength (nm) Characterization of a group of experimental Russian hydrothermal synthetic sapphires |
 | | Book (edition) |
| the greatest possible help and value to its user, new developments and discoveries in the gemological field...meanings which have been suggested. However, many new alternate definitions have been added the book has...Society of Great Britain and A. Espositer, lapidary of New York. George H. Marcher, Certified Gemologist, lapidist...While the reader may find no information which is new to him under the second definition, even advanced...pearl. A colored pearl from the abalone. Usually a blister pearl although a true pearl is found occasionally |
 | | Report (issue) |
| receipt of postage. Announcements v;ill be made of all new material in the Divisions "Monthly Commercial Mineral...bauxite has been found In one locality in Riverside' County, California, and dlaspore occurs in compact masses...masses with andalusite in one locality in Mono County, California. Transparent crystals of dlaspore in...fo\ind by the writer in one locality in Calaveras County, California. .the PREPARATION - The usual process...Cyanamid & Chemical Corporation, 30 Rockerfeller Plaza, New York, N. Y. E. I. du Pont de Nemours & Co,, Incorporated |
 | | Book (edition) |
| meanings which have been suggested. However, many new alternate definitions have been added; the book has...of Great Britain; and A. Espositer, lapidary of New York. George H. Marcher, Certified Gemologist, lapidist...While the reader may find no information which is new to him under the second definition, even advanced...pearl. A colored pearl from the abalone. Usually a blister pearl although a true pearl is found occasionally...Colored. See onyx; onyx agate aggregate. Cluster or group. crystalline aggregate. A. G. S. American Gem Society |
 | | Book |
| Promotional Book Company, Inc., 666 Fifth Avenue New York, N Y. 10103 Mallard Press and its accompanying...Smithsonian Institution, Washington, USA, weighs in at 254 carats. new unit-cells. It is astonishing that...most often occurs. LEFT This fine example of feldspar variety adularia from Switzerland shows clearly...and the sapphire, both members of the corundum group; rubies owe their colour to traces of chrome, while... and amulets, featuring working a river bed on New such crystals as gold and Zealand’s South Island |
 | | Journal (issue) |
| 8 RED CLOUD MINE WULFENITE Rockhounds enjoy the products of this amazing Arizona mine. By Bob Jones...QUARTZ 40 ROCK & GEM KIDS 46 THE BRISTOL COPPER MINE 50 COOL SUMMER ROCKHOUNDING 54 NATIVE AMERICAN... Find jagged quartz crystals at the Wall Street mine. By Robert Beard Regular Columns Field Notes ....Wulfenite from the Red Cloud (photo credit)mine (La Paz County), Arizona, is world famous. (3.9 cm high)...—James Beauchamp via Facebook XRF Excitement A group of Houston Gem & Mineral Society members were privileged |
 | | Book (volume) |
| and Geology Edited by Vandall T. King Walworth, New York 14568 Production editing and design Robert...Extracts from a Diary Concerning Mining at the Dunton Mine, Newry, Maine ....................................Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ........................................Moore Electron Microprobe Analyses for Crandallite-Group Minerals from Maine Pegmatites ...................in geology and has authored articles on Maine and New England geological and mineralogical occurrences |
 | | Book |
| Cataloging-in-Publication Data are aYailable Typeset in Times New Romanand Helvetica Printedand bound by L.E.G.OSpA.............................. 529 G: gadolinite group to gyrolite ......................... 226 X: xanthiosite...House in Derbyshin: ( ooper 2005) and the promise of new mineral galleries in Edinburgh in '.!011. I hope...formal referencing, when I personally discovered new species to Britain and Ireland, and colleagues permitted...onNewMinerals,Nomenclature andClass::ication. Co. County. EMPElectronmicroprobe - an instrument usedto |
 | | Book (edition) |
| .S54513 1997 // Sterling Publishing Co., Inc. New York 1 Contents Luster 41 Pleochroism 41 Light...Hematite 162 Pyrite 162 Feldspar 164 Amazonite 164 Labrador ite 166 Aventurine Feldspar 166 Rhodochrosite...Ivory 226 Odontolite 226 Amber 228 Pearl 230 240 New on the Market Verdite 240 Charoite 240 Gneiss 240...variations is about double that. From time to time, new gemstones are discovered or varieties with gemstone...ferred to as gemology. Colored precious stone is a new term of the trade for all noncolored) precious stones |
 | | Journal (article/letter/editorial) |
| Bailey, Arthur C., Jr. Beryl from the Oxford mine, Troup County, Georgia Bailey, Roy A. Volcanism and the...[Resultsof etchingmethsdson crystalsof the mica group] [book review] Barrett, CharlesS. Microstructuralinvestigationof...G. New observations on natural pyrrhotites;part I, Mineragraphic techniques Bennett, C. E. G. New observationson...Physicaland chemical data for crandallite from Alachua County, Florida Boles, James R. Composition,optical properties...at Broadlands, New Zealand Brunton, G. D. Crystalstructureof a rubidiumiron feldspar Bunch,T. E. Spinelsand |
 | | Book |
| Eulalia District....... El Potosi Mine............. San Antonio Mine....... Cusihuiriachic District................................. Minerals of Ojuela Mine .... . Velardena District.........................Guanajuato District ..................... El Sanlin Mine......................... San Miguel de Allende ...assistant superintendent, both of Fresnillo’s Naica mine, helped with data and review. Dr. Edwin Roedder...made possible our visit to the Esperanza fluorite mine. Engineer Macario Munoz, Comision de Fomento Minero |
 | | Book (edition) |
| years, now completely revised and updated with many new illustrations Would you know the difference between...Classifications 84 85 Value of Gemstones 126 Tourmaline Group Fire Opal 168 . | 85 Description of Gemstones...140 Chalcedony 142 142 see 142 oo 120 Garnet Group ie ‘ 176 Zoisite Species Tanzanite 176 Prasiolite...Anyolite 176 : 178 Hematite . 178 Pyrite 180 Feldspar Group Amazonite Moonstone 180 180 Orthoclase 180...180 Labradorite 182 Aventurine Feldspar 182 184 Rhodochrosite Dendritic Agate 146 184 Rhodonite Pyrope |
 | | Report (volume) |
| remain the same in each issue of the Bibliography, new ones are introduced and others are discontinued as...descriptions________________ l\fineral name; includes new minerals. Mineral resourees ___________________ Area;...___________________ Rock name and area: restricted to new or unusual rocks, or very detailed description. ...indented two spaces from the margin, are used to group the entries under the geographic headings and under...Chromite, El Dorado County: Cater, F. W., Jr. Healdsburg quadrangle: Gealey, W. K. Mercur~·, New Almaden mines |
 | | Book (edition) |
| Evelyne Stern FGA ~ ~ Sterling Publishing Co. Inc, New York 1111[1 Press Limited, London Published (in...English-language edition: Sterling Publishing Co. Inc., New York 10016, and N.A.G. Press Ltd, London ECIV 7QA...GEMSTONES Diamond 70 Spodumene 114 Ruby 82 Quartz group 116 Sapphire 86 Jade 154 Emerald 90 Peridot 158...Beryl 96 Hematite, Pyrite 162 Chrysoberyl 98 Feldspar group t 64 Spine! 100 Rhodochrosite, Rhodonite 168...were classed as gems, but today there are many; and new ones are being discovered all the time. Most of them |
